US Bridges

Foothill Lane over Little Wood River

Fair

Blaine County, Idaho · 0.4 N. 0.7 W. Carey · Structure no. 000000000023690

Built
1978
47 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
80
2023 count
Owner
County
County Highway Agency

About this bridge

Foothill Lane over Little Wood River is a prestressed concrete stringer/multi-beam or girder carrying Foothill Lane over Little Wood River in Blaine County, Idaho. It was built in 1978, so it is 47 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 80 vehicles a day, roughly 14% of them trucks, projected to reach 120 by 2042. The structure is 65 ft (19.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFoothill Lane
CrossesLittle Wood River
Location0.4 N. 0.7 W. Carey
RouteCounty Highway 0
StateIdaho
Coordinates43.31675, -113.95922
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span63 ft (19.2 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2023)
Projected traffic120 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Foothill Lane over Little Wood River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Foothill Lane over 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 September 2024.

How much traffic does Foothill Lane over Little Wood River carry?

About 80 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Foothill Lane over Little Wood River?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.2 m) and a deck 28 ft wide.

Who owns Foothill Lane over Little Wood River?

It is owned by the County Highway Agency.