US Bridges

Salmon Lake Road over Church Creek

Good

Sierra County, California · West of Gold Lake RD · Structure no. 13C0062

Built
2023
2 years old
Condition
Good
inspected April 2024
Type
Slab
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
125
1999 count
Owner
County
County Highway Agency

About this bridge

Salmon Lake Road over Church Creek is a prestressed concrete slab carrying Salmon Lake Road over Church Creek in Sierra County, California. It was built in 2023, so it is 2 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, roughly 1% of them trucks, projected to reach 159 by 2046. The structure is 65 ft (19.8 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSalmon Lake Road
CrossesChurch Creek
LocationWest of Gold Lake RD
RouteCounty Highway 0
Coordinates39.65369, -120.63272
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length65 ft (19.8 m)
Longest span62 ft (18.9 m)
Deck width22 ft (6.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (1999)
Projected traffic159 by 2046
Trucks1%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Salmon Lake Road over Church Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Salmon Lake Road over Church 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 April 2024.

How much traffic does Salmon Lake Road over Church Creek carry?

About 125 vehicles per day (1999 count), of which roughly 1% are trucks.

How long is Salmon Lake Road over Church Creek?

The structure is 65 ft (19.8 m) long with a longest span of 62 ft (18.9 m) and a deck 22 ft wide.

Who owns Salmon Lake Road over Church Creek?

It is owned by the County Highway Agency.