US Bridges

1800 East Road over Big Wood River

Fair

Gooding County, Idaho · 0.7 N. 1.0 W. Gooding · Structure no. 000000000024370

Built
1958
67 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
700
2023 count
Owner
Local
Other Local Agency

About this bridge

1800 East Road over Big Wood River is a concrete stringer/multi-beam or girder carrying 1800 East Road over Big Wood River in Gooding County, Idaho. It was built in 1958, so it is 67 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 5 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 700 vehicles a day, roughly 1% of them trucks, projected to reach 1,050 by 2042. The structure is 120 ft (36.6 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries1800 East Road
CrossesBig Wood River
Location0.7 N. 1.0 W. Gooding
RouteCounty Highway 0
CountyGooding County
StateIdaho
Coordinates42.94747, -114.73258
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length120 ft (36.6 m)
Longest span39 ft (11.9 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2023)
Projected traffic1,050 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 1800 East Road over Big Wood River built?

It was built in 1958, making it 67 years old in 2025.

What condition is 1800 East Road over Big 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 2023.

How much traffic does 1800 East Road over Big Wood River carry?

About 700 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is 1800 East Road over Big Wood River?

The structure is 120 ft (36.6 m) long with a longest span of 39 ft (11.9 m) and a deck 29 ft wide.

Who owns 1800 East Road over Big Wood River?

It is owned by the Other Local Agency.