US Bridges

Oak Run Road over Cedar Creek

Good

Shasta County, California · S.R. 299 · Structure no. 06C0040

Built
1970
55 years old
Condition
Good
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
122 ft
2 main spans
Daily traffic
220
2014 count
Owner
County
County Highway Agency

About this bridge

Oak Run Road over Cedar Creek is a concrete continuous tee beam carrying Oak Run Road over Cedar Creek in Shasta County, California. It was built in 1970, so it is 55 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 220 vehicles a day, roughly 5% of them trucks, projected to reach 598 by 2041. The structure is 122 ft (37.2 m) long and 32 ft wide. If it were closed, the detour would be 42.9 mi (69 km).

CarriesOak Run Road
CrossesCedar Creek
LocationS.R. 299
RouteCounty Highway 0
Coordinates40.75517, -122.02547
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.5 US tons
Inventory rating32.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span60 ft (18.2 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2014)
Projected traffic598 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 Cedar Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Oak Run Road over Cedar 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 2023.

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

About 220 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Oak Run Road over Cedar Creek?

The structure is 122 ft (37.2 m) long with a longest span of 60 ft (18.2 m) and a deck 32 ft wide.

Who owns Oak Run Road over Cedar Creek?

It is owned by the County Highway Agency.