US Bridges

Airport RD over Weiser River

PoorPosted for load

Adams County, Idaho · 0.6 N 1.1 W Council · Structure no. 000000000026452

Built
1982
43 years old, rebuilt 2012
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

Airport RD over Weiser River is a steel stringer/multi-beam or girder carrying Airport RD over Weiser River in Adams County, Idaho. It was built in 1982 and reconstructed in 2012, so it is 43 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, roughly 40% of them trucks, projected to reach 30 by 2039. The structure is 61 ft (18.6 m) long and 12 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesAirport RD
CrossesWeiser River
Location0.6 N 1.1 W Council
RouteCounty Highway 0
StateIdaho
Coordinates44.75292, -116.45989
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating25 US tons
Inventory rating15 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 15
Structure length61 ft (18.6 m)
Longest span58 ft (17.7 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic30 by 2039
Trucks40%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$522,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Airport RD over Weiser River built?

It was built in 1982, making it 43 years old in 2025. It was reconstructed in 2012.

What condition is Airport RD over Weiser River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Airport RD over Weiser River carry?

About 20 vehicles per day (2023 count), of which roughly 40% are trucks.

How long is Airport RD over Weiser River?

The structure is 61 ft (18.6 m) long with a longest span of 58 ft (17.7 m) and a deck 12 ft wide.

Who owns Airport RD over Weiser River?

It is owned by the County Highway Agency.