US Bridges

SH 11 over Jim Ford Creek

Good

Clearwater County, Idaho · Near Weippe Wcl · Structure no. 000000000010305

Built
1987
38 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

SH 11 over Jim Ford Creek is a prestressed concrete tee beam carrying SH 11 over Jim Ford Creek in Clearwater County, Idaho. It was built in 1987, so it is 38 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 32% of them trucks, projected to reach 1,500 by 2042. The structure is 49 ft (14.9 m) long and 40 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

CarriesSH 11
CrossesJim Ford Creek
LocationNear Weippe Wcl
RouteState Highway 11
StateIdaho
Coordinates46.37586, -115.94164
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating50 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length49 ft (14.9 m)
Longest span49 ft (14.9 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,500 by 2042
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 11 over Jim Ford Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is SH 11 over Jim Ford Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does SH 11 over Jim Ford Creek carry?

About 1,000 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is SH 11 over Jim Ford Creek?

The structure is 49 ft (14.9 m) long with a longest span of 49 ft (14.9 m) and a deck 40 ft wide.

Who owns SH 11 over Jim Ford Creek?

It is owned by the State Highway Agency.