US Bridges

Miners Creek Road over Miners Creek

Good

Siskiyou County, California · 1.8 MI S French Creek RD · Structure no. 02C0133

Built
1968
57 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
62
2011 count
Owner
County
County Highway Agency

About this bridge

Miners Creek Road over Miners Creek is a concrete slab carrying Miners Creek Road over Miners Creek in Siskiyou County, California. It was built in 1968, so it is 57 years old, older 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 62 vehicles a day, roughly 10% of them trucks, projected to reach 103 by 2041. The structure is 28 ft (8.5 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesMiners Creek Road
CrossesMiners Creek
Location1.8 MI S French Creek RD
RouteCounty Highway 0
Coordinates41.38143, -122.8696
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.7 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2011)
Projected traffic103 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Miners Creek Road over Miners Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Miners Creek Road over Miners 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 July 2023.

How much traffic does Miners Creek Road over Miners Creek carry?

About 62 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is Miners Creek Road over Miners Creek?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.7 m) and a deck 25 ft wide.

Who owns Miners Creek Road over Miners Creek?

It is owned by the County Highway Agency.