US Bridges

Mormon Road over W. Fork Soldier Creek

Good

Camas County, Idaho · 2.2 S Fairfield · Structure no. 000000000023856

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
120
2023 count
Owner
County
County Highway Agency

About this bridge

Mormon Road over W. Fork Soldier Creek is a steel stringer/multi-beam or girder carrying Mormon Road over W. Fork Soldier Creek in Camas County, Idaho. It was built in 2022, so it is 3 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 120 vehicles a day, roughly 9% of them trucks, projected to reach 180 by 2042. The structure is 50 ft (15.2 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesMormon Road
CrossesW. Fork Soldier Creek
Location2.2 S Fairfield
RouteCounty Highway 0
CountyCamas County
StateIdaho
Coordinates43.31058, -114.79197
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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 rating66.5 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span47 ft (14.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2023)
Projected traffic180 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mormon Road over W. Fork Soldier Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Mormon Road over W. Fork Soldier 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 October 2024.

How much traffic does Mormon Road over W. Fork Soldier Creek carry?

About 120 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Mormon Road over W. Fork Soldier Creek?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.2 m) and a deck 24 ft wide.

Who owns Mormon Road over W. Fork Soldier Creek?

It is owned by the County Highway Agency.