US Bridges

Cove Creek Road over E.Fk.Big Wood River

Fair

Blaine County, Idaho · 2.3 E. Triumph · Structure no. 000000000023680

Built
1978
47 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
29 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Cove Creek Road over E.Fk.Big Wood River is a wood or timber stringer/multi-beam or girder carrying Cove Creek Road over E.Fk.Big 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 30 vehicles a day, roughly 50% of them trucks, projected to reach 45 by 2042. The structure is 29 ft (8.7 m) long and 15 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCove Creek Road
CrossesE.Fk.Big Wood River
Location2.3 E. Triumph
RouteCounty Highway 0
StateIdaho
Coordinates43.64583, -114.20994
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating29 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span27 ft (8.2 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2042
Trucks50%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$346,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cove Creek Road over E.Fk.Big Wood River built?

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

What condition is Cove Creek Road over E.Fk.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 September 2024.

How much traffic does Cove Creek Road over E.Fk.Big Wood River carry?

About 30 vehicles per day (2023 count), of which roughly 50% are trucks.

How long is Cove Creek Road over E.Fk.Big Wood River?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.2 m) and a deck 15 ft wide.

Who owns Cove Creek Road over E.Fk.Big Wood River?

It is owned by the County Highway Agency.