US Bridges

Foothill Blvd over Wyman Ravine

Good

Butte County, California · S of Oroville Bangor HWY · Structure no. 12C0433

Built
2015
10 years old
Condition
Good
inspected March 2021
Type
Culvert
Concrete Continuous
Length
30 ft
3 main spans
Daily traffic
2,000
2016 count
Owner
County
County Highway Agency

About this bridge

Foothill Blvd over Wyman Ravine is a concrete continuous culvert carrying Foothill Blvd over Wyman Ravine in Butte County, California. It was built in 2015, so it is 10 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 2,000 vehicles a day, roughly 3% of them trucks, projected to reach 3,051 by 2038. The structure is 30 ft (9.1 m) long and 58 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesFoothill Blvd
CrossesWyman Ravine
LocationS of Oroville Bangor HWY
RouteCounty Highway 0
Coordinates39.48485, -121.50666
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
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 typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width58 ft (17.7 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2016)
Projected traffic3,051 by 2038
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed4.3 mi (7 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 Foothill Blvd over Wyman Ravine built?

It was built in 2015, making it 10 years old in 2025.

What condition is Foothill Blvd over Wyman Ravine 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 March 2021.

How much traffic does Foothill Blvd over Wyman Ravine carry?

About 2,000 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Foothill Blvd over Wyman Ravine?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m) and a deck 58 ft wide.

Who owns Foothill Blvd over Wyman Ravine?

It is owned by the County Highway Agency.