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Traffic heat map of Bonner County, Idaho: 306 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Long Bridge and US 95

Bonner County, Idaho Traffic Counts

TrafficZoom tracks traffic on 306 road miles in Bonner County, Idaho, divided into 2,966 segments averaging 545 ft. Its highways carry the lowest truck share of any county in Idaho, 8.2%. Built from cross-verified mobile and road-sensor data, these counts help you size up a retail site, plan logistics routes or assess infrastructure needs.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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total traffic icon

Total Traffic Volume & Performance in Bonner County, Idaho

Traffic

The average number of vehicles that travel each day over any road in the road network.

vehicles per day4,270
Trucks

The percentage of the total traffic volume composed of heavy vehicles.

7.3%
Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

33.4 min
Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

10.3%
Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

52.2 yrs
Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$67,939

Our data shows 4,270 vehicles per day on the average road in Bonner County, Idaho, and 1,027,083 vehicle-miles traveled per day (≈375 million per year) across its 306 miles of monitored roads. About 1 in 14 vehicles is a truck, fewer than the 1 in 10 across Idaho.

Busier roads than 72% of counties in Idaho

At 4,270 vehicles per day, the average monitored road in Bonner carries 26% less traffic than the state average of 5,734, suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. Across the whole network, that travel is about 2.3% of Idaho's statewide total. Bonner carries more traffic than 72% of counties in Idaho.

The average trip takes 33.4 minutes, on par with the state level. On travel time, Bonner runs shorter than 51% of counties in Idaho.

The congestion ratio of 10.3% is 35% lower, pointing to smoother traffic flow than the state level - fewer delays make delivery windows more reliable.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Bonner County, Idaho

Trafficvehicles per day11,738
Trucks8.2%
Average travel time39.1 min
Congestion ratio14.2%
Drivers’ average age51.4 yrs
Drivers’ average income$69,890

Highways carry about half of all travel in Bonner County, Idaho, 49% of vehicle-miles. The average highway carries 11,738 vehicles per day, 279% more than the average non-highway road in the same area, which carries 3,100 vehicles per day.

That comes from just 16% of the monitored road miles: 48 miles in 402 segments, carrying 498,936 vehicle-miles traveled per day (≈182 million per year).

59% of counties in Idaho move less traffic on their highways.

The lowest highway truck share of any county in Idaho

The concentration of trucks on highways (8.2%) is 42% lower than the state average for similar road classifications. Highways here carry mainly commuter and local trips, with little through freight.

Bonner also posts the lowest highway truck share in Idaho - 8.2%. By raw truck volume, Bonner carries more highway trucks than 56% of counties in Idaho.

non-highway traffic icon

Non-highway Traffic in Bonner County, Idaho

Trafficvehicles per day3,100
Trucks6.5%
Average travel time32.5 min
Congestion ratio9.7%
Drivers’ average age53.3 yrs
Drivers’ average income$66,416

Local roads carry about half of all travel in Bonner County, Idaho, 51% of vehicle-miles. The average non-highway road carries 3,100 vehicles per day.

Spread over 258 miles and 2,564 segments, 84% of the road network, local roads carry a lighter load per mile: 528,147 vehicle-miles traveled per day (≈193 million per year). The truck share on non-highway roads is 6.5%.

Older drivers than 72% of counties in Idaho

Compared to highways, non-highway routes see 20% fewer trucks by share.

Non-highway congestion (9.7%) runs 40% lower than the state average, pointing to smoother local traffic flow.

Bonner's average driver income is lower than 63% of counties in Idaho. 72% of counties in Idaho have a younger driver population than Bonner.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and PM peak 2:00 PM–5:00 PM, with volumes reaching approximately 90% higher than the daily average.
Weekend traffic:
Weekends are much quieter: volumes run about 23% below weekday levels, the signature of a commute-driven road network.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +24% versus the annual average.
Lowest month:
February is the quietest month, with volumes -18% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Bonner County, Idaho, the peak hour concentrates about 8% of the day's traffic, and there is a strong seasonal swing of +24% in high season.

Bonner County vs. Idaho Traffic Comparison

The highway truck share sets Bonner County apart: 42% below the Idaho average. Its average daily traffic per road is also 26% below.

MetricBonner CountyIdaho averageDifference
Traffic4,2705,734-25.5%
Truck % (Total Traffic)7.3%9.7%-24.1%
Truck % (Highway)8.2%14.1%-41.8%
Avg. Travel Time33.4 min33.8 min-1.2%

How Bonner County compares

Bonner County against nearby counties

Nothing in this table sets Bonner County sharply apart from the 4 areas nearest to it, though it has the second busiest roads of the five.

Bonner County and the 4 nearest county-level areas by centroid distance, with the Idaho average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Bonner County4,2707.3%1,027,08333.4 min10.3%
Boundary County, Idaho3,1768.6%191,36730.3 min10.6%
Pend Oreille County, Washington2,0267.8%300,15336.0 min7.7%
Lincoln County, Montana2,6829.0%221,56730.0 min7.2%
Kootenai County, Idaho5,9556.7%3,854,99135.2 min19.5%
Idaho average5,7349.7%N/A33.8 min16.0%

Bonner County ranked within Idaho

Bonner County records the lowest truck share on highways in Idaho.

Bonner County ranked among 44 county-level areas in Idaho (1 = highest); measures without data in every county rank a smaller field, down to 35.
MeasureBonner CountyIdaho rank
Traffic volume (AADT)4,270#13 of 44
Highway vehicle-miles per day498,936#15 of 35
Truck share on highways8.2%#35 of 35
Highway trucks per day961#16 of 35
Average travel time33.4 min#23 of 44
Average driver income$67,939#28 of 44
Average driver age52.2 yrs#13 of 44

Bonner County ranks #13 of 44 on average daily traffic volume but #35 of 35 on truck share on highways - the two describe the same roads and are worth reading together rather than either on its own.

Busiest roads in Bonner County, Idaho

On their busiest stretches, the three busiest roads in Bonner County carry 23,237 vehicles a day on average, 5.4 times the typical road in the county (4,270).

Long Bridge leads with 28,792 vehicles a day, 1,502 of them trucks (5.2%). It also carries the most trucks.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Long BridgeTrunk road · 28,792vehicles1,502trucks · 5.2%
Road class
Trunk road
Median trip time
33.6 min
Drivers’ median age
51.2 yrs
Drivers’ average income
$73,440

Long Bridge is a trunk route for the county, carrying 6.7 times the county average on its busiest stretch; trucks are 5.2% of it, below the county-wide 7.3%.

2US 95Trunk road · 26,498vehicles1,381trucks · 5.2%
Road class
Trunk road
Median trip time
35.5 min
Drivers’ median age
51.9 yrs
Drivers’ average income
$73,042

US 95 carries 6.2 times the county average at its busiest, 1,381 of them trucks (5.2%, below the county-wide 7.3%).

35th AvenuePrimary road · 14,421vehicles839trucks · 5.8%
Road class
Primary road
Congestion ratio
26.0%
Median trip time
33.1 min
Drivers’ median age
53.5 yrs
Drivers’ average income
$65,396

Travel on 5th Avenue's busiest stretch runs 26% over free-flow time, against 10% across the county, so expect slower peak hours.

4Sand Creek BywayTrunk road · 13,095vehicles1,052trucks · 8.0%
Road class
Trunk road
Congestion ratio
23.0%
Median trip time
34.2 min
Drivers’ median age
51.7 yrs
Drivers’ average income
$69,438

Sand Creek Byway carries 3.1 times the county average at its busiest, 1,052 of them trucks (8.0%, above the county-wide 7.3%).

5Railroad AvenuePrimary road · 11,640vehicles733trucks · 6.3%
Road class
Primary road
Congestion ratio
27.9%
Median trip time
30.4 min
Drivers’ median age
53.7 yrs
Drivers’ average income
$65,778

Railroad Avenue is one of the more congested roads here: trips take 28% longer than at free-flow speed, against 10% county-wide.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Long BridgeTrunk road · #1 by traffic28,792vehicles1,502trucks · 5.2%
2US 95Trunk road · #2 by traffic26,498vehicles1,381trucks · 5.2%
3Sand Creek BywayTrunk road · #4 by traffic13,095vehicles1,052trucks · 8.0%
45th AvenuePrimary road · #3 by traffic14,421vehicles839trucks · 5.8%
5Railroad AvenuePrimary road · #5 by traffic11,640vehicles733trucks · 6.3%
How to read these road counts
  • The first number is AADT, annual average daily traffic: the vehicles passing a point on an average day, both directions combined and trucks included. On a divided highway both carriageways are added together.
  • Traffic changes along a road, with more near interchanges and towns and less in open country. Every figure for a road describes its busiest stretch in the county, so the two rankings show the same numbers for the same road.
  • The second number is the trucks on that stretch, a part of its AADT. The bar splits the AADT into cars and light vehicles (blue) and trucks (amber).
  • See segment-level AADT for any road on TrafficZoom.

Data Sources & Methodology

The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

BonnerDepartment of Transportation

Demographic Baseline for O-D Modeling

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
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Data current as of:
Q3 2026

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Counties near Bonner County

The same traffic breakdown for the areas closest to Bonner County, Idaho.

Need segment-level traffic data?

Identify traffic patterns street by street and analyze the exact corridors that matter to your project.