US Bridges

River Run Road over E.Fk.Jarbidge River

Fair

Owyhee County, Idaho · 0.2S 0.1E Murphy Hot Spr · Structure no. 000000000028198

Built
1922
103 years old, rebuilt 2012
Condition
Fair
inspected June 2024
Type
Truss - Thru
Steel
Length
61 ft
1 main span
Daily traffic
25
2023 count
Owner
Local
Other Local Agency

About this bridge

River Run Road over E.Fk.Jarbidge River is a steel truss - thru carrying River Run Road over E.Fk.Jarbidge River in Owyhee County, Idaho. It was built in 1922 and reconstructed in 2012, so it is 103 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 5 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 25 vehicles a day, projected to reach 38 by 2039. The structure is 61 ft (18.6 m) long and 23 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRiver Run Road
CrossesE.Fk.Jarbidge River
Location0.2S 0.1E Murphy Hot Spr
RouteCounty Highway 0
CountyOwyhee County
StateIdaho
Coordinates42.02297, -115.36003
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating23 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length61 ft (18.6 m)
Longest span59 ft (18 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic38 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$576,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was River Run Road over E.Fk.Jarbidge River built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 2012.

What condition is River Run Road over E.Fk.Jarbidge 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 June 2024.

How much traffic does River Run Road over E.Fk.Jarbidge River carry?

About 25 vehicles per day (2023 count).

How long is River Run Road over E.Fk.Jarbidge River?

The structure is 61 ft (18.6 m) long with a longest span of 59 ft (18 m) and a deck 23 ft wide.

Who owns River Run Road over E.Fk.Jarbidge River?

It is owned by the Other Local Agency.