US Bridges

River Lane over W.Br.Little Wood River

Fair

Blaine County, Idaho · 1.2 S. 0.2 E. Carey · Structure no. 000000000023650

Built
1952
73 years old, rebuilt 2013
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
50
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

River Lane over W.Br.Little Wood River is a steel stringer/multi-beam or girder carrying River Lane over W.Br.Little Wood River in Blaine County, Idaho. It was built in 1952 and reconstructed in 2013, so it is 73 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, roughly 25% of them trucks, projected to reach 75 by 2042. The structure is 26 ft (7.9 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesRiver Lane
CrossesW.Br.Little Wood River
Location1.2 S. 0.2 E. Carey
RouteCity Street 0
CountyBlaine County
StateIdaho
Coordinates43.29472, -113.94553
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$277,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was River Lane over W.Br.Little Wood River built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 2013.

What condition is River Lane over W.Br.Little Wood River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does River Lane over W.Br.Little Wood River carry?

About 50 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is River Lane over W.Br.Little Wood River?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 20 ft wide.

Who owns River Lane over W.Br.Little Wood River?

It is owned by the City or Municipal Highway Agency.