US Bridges

Fir Grove Road over Camas Creek

Good

Camas County, Idaho · 3.6 S. 2.3 E. Fairfield · Structure no. 000000000023836

Built
2019
6 years old
Condition
Good
inspected November 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Fir Grove Road over Camas Creek is a steel stringer/multi-beam or girder carrying Fir Grove Road over Camas Creek in Camas County, Idaho. It was built in 2019, so it is 6 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 30 vehicles a day, roughly 50% of them trucks, projected to reach 45 by 2042. The structure is 44 ft (13.4 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFir Grove Road
CrossesCamas Creek
Location3.6 S. 2.3 E. Fairfield
RouteCounty Highway 0
CountyCamas County
StateIdaho
Coordinates43.287, -114.74742
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 inspectionNovember 2021
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span44 ft (13.4 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2042
Trucks50%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Fir Grove Road over Camas Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Fir Grove Road over Camas 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 November 2021.

How much traffic does Fir Grove Road over Camas Creek carry?

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

How long is Fir Grove Road over Camas Creek?

The structure is 44 ft (13.4 m) long with a longest span of 44 ft (13.4 m) and a deck 25 ft wide.

Who owns Fir Grove Road over Camas Creek?

It is owned by the County Highway Agency.