US Bridges

Web Ridge Road over Sweetwater Creek

Good

Nez Perce County, Idaho · 4.5 SW of Sweetwater · Structure no. 000000000020252

Built
2007
18 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
10
2023 count
Owner
County
County Highway Agency

About this bridge

Web Ridge Road over Sweetwater Creek is a prestressed concrete tee beam carrying Web Ridge Road over Sweetwater Creek in Nez Perce County, Idaho. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, projected to reach 15 by 2039. The structure is 55 ft (16.8 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWeb Ridge Road
CrossesSweetwater Creek
Location4.5 SW of Sweetwater
RouteCounty Highway 0
StateIdaho
Coordinates46.31889, -116.84694
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length55 ft (16.8 m)
Longest span54 ft (16.5 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic15 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Web Ridge Road over Sweetwater Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Web Ridge Road over Sweetwater 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 July 2024.

How much traffic does Web Ridge Road over Sweetwater Creek carry?

About 10 vehicles per day (2023 count).

How long is Web Ridge Road over Sweetwater Creek?

The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 28 ft wide.

Who owns Web Ridge Road over Sweetwater Creek?

It is owned by the County Highway Agency.