US Bridges

Oak Run Road over Oak Run Creek

Fair

Shasta County, California · 3.9 MI S Oak Run to Frn R · Structure no. 06C0134

Built
1958
67 years old
Condition
Fair
inspected April 2023
Type
Arch - Deck
Concrete
Length
23 ft
1 main span
Daily traffic
910
2014 count
Owner
County
County Highway Agency

About this bridge

Oak Run Road over Oak Run Creek is a concrete arch - deck carrying Oak Run Road over Oak Run Creek in Shasta County, California. It was built in 1958, so it is 67 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 910 vehicles a day, roughly 5% of them trucks, projected to reach 1,107 by 2041. The structure is 23 ft (7 m) long. If it were closed, the detour would be 44.1 mi (71 km).

CarriesOak Run Road
CrossesOak Run Creek
Location3.9 MI S Oak Run to Frn R
RouteCounty Highway 0
Coordinates40.6561, -122.07441
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic910 (2014)
Projected traffic1,107 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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 1958, making it 67 years old in 2025.

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

How long is Oak Run Road over Oak Run Creek?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m).

Who owns Oak Run Road over Oak Run Creek?

It is owned by the County Highway Agency.