US Bridges

Salmon Creek RD over Reynolds Creek

PoorClosed to traffic

Owyhee County, Idaho · 1.6 N 9.8 W Murphy · Structure no. 000000000028298

Built
1960
65 years old, rebuilt 2006
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

Salmon Creek RD over Reynolds Creek is a steel stringer/multi-beam or girder carrying Salmon Creek RD over Reynolds Creek in Owyhee County, Idaho. It was built in 1960 and reconstructed in 2006, so it is 65 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 30 by 2039. The structure is 32 ft (9.8 m) long and 16 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSalmon Creek RD
CrossesReynolds Creek
Location1.6 N 9.8 W Murphy
RouteCounty Highway 0
StateIdaho
Coordinates43.24231, -116.75422
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating9 US tons
Inventory rating6 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length32 ft (9.8 m)
Longest span26 ft (7.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic30 by 2039
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$368,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Salmon Creek RD over Reynolds Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2006.

What condition is Salmon Creek RD over Reynolds Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Salmon Creek RD over Reynolds Creek carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Salmon Creek RD over Reynolds Creek?

The structure is 32 ft (9.8 m) long with a longest span of 26 ft (7.9 m) and a deck 16 ft wide.

Who owns Salmon Creek RD over Reynolds Creek?

It is owned by the County Highway Agency.