US Bridges

Oak Run Road over Oak Run Creek

Fair

Shasta County, California · 6.6 MI S of SR 299 · Structure no. 06C0188

Built
1912
113 years old, rebuilt 1960
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
71 ft
3 main spans
Daily traffic
530
2014 count
Owner
County
County Highway Agency

About this bridge

Oak Run Road over Oak Run Creek is a concrete continuous slab carrying Oak Run Road over Oak Run Creek in Shasta County, California. It was built in 1912 and reconstructed in 1960, so it is 113 years old, older than the California average of 54.8 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 530 vehicles a day, roughly 5% of them trucks, projected to reach 1,545 by 2041. The structure is 71 ft (21.6 m) long and 29 ft wide. If it were closed, the detour would be 42.9 mi (69 km).

CarriesOak Run Road
CrossesOak Run Creek
Location6.6 MI S of SR 299
RouteCounty Highway 0
Coordinates40.69154, -122.04204
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating19 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length71 ft (21.6 m)
Longest span24 ft (7.3 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2014)
Projected traffic1,545 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.9 mi (69 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Oak Run Road over Oak Run Creek built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1960.

What condition is Oak Run Road over Oak Run Creek 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 April 2023.

How much traffic does Oak Run Road over Oak Run Creek carry?

About 530 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Oak Run Road over Oak Run Creek?

The structure is 71 ft (21.6 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.

Who owns Oak Run Road over Oak Run Creek?

It is owned by the County Highway Agency.