US Bridges

Oregon Gulch Road over Morris Ravine

Good

Butte County, California · E of Cherokee RD · Structure no. 12C0435

Built
2017
8 years old
Condition
Good
inspected March 2021
Type
Slab
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
122
2019 count
Owner
County
County Highway Agency

About this bridge

Oregon Gulch Road over Morris Ravine is a prestressed concrete slab carrying Oregon Gulch Road over Morris Ravine in Butte County, California. It was built in 2017, so it is 8 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 122 vehicles a day, roughly 8% of them trucks, projected to reach 130 by 2041. The structure is 72 ft (21.8 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesOregon Gulch Road
CrossesMorris Ravine
LocationE of Cherokee RD
RouteCounty Highway 0
Coordinates39.55308, -121.54017
Functional classRural Minor 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 protection8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length72 ft (21.8 m)
Longest span69 ft (21 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic122 (2019)
Projected traffic130 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 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 Oregon Gulch Road over Morris Ravine built?

It was built in 2017, making it 8 years old in 2025.

What condition is Oregon Gulch Road over Morris 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 Oregon Gulch Road over Morris Ravine carry?

About 122 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Oregon Gulch Road over Morris Ravine?

The structure is 72 ft (21.8 m) long with a longest span of 69 ft (21 m) and a deck 33 ft wide.

Who owns Oregon Gulch Road over Morris Ravine?

It is owned by the County Highway Agency.