US Bridges

Openshaw RD over Dry Creek Overflow

Good

Butte County, California · 0.25 MI N/W Shippee RD · Structure no. 12C0270

Built
1955
70 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
10
1990 count
Owner
County
County Highway Agency

About this bridge

Openshaw RD over Dry Creek Overflow is a concrete continuous slab carrying Openshaw RD over Dry Creek Overflow in Butte County, California. It was built in 1955, so it is 70 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 10 vehicles a day, projected to reach 11 by 2046. The structure is 32 ft (9.8 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOpenshaw RD
CrossesDry Creek Overflow
Location0.25 MI N/W Shippee RD
RouteCounty Highway 0
Coordinates39.60941, -121.6733
Functional classRural Local

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 inspectionMay 2024
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span16 ft (4.8 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1990)
Projected traffic11 by 2046
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Openshaw RD over Dry Creek Overflow built?

It was built in 1955, making it 70 years old in 2025.

What condition is Openshaw RD over Dry Creek Overflow 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 May 2024.

How much traffic does Openshaw RD over Dry Creek Overflow carry?

About 10 vehicles per day (1990 count).

How long is Openshaw RD over Dry Creek Overflow?

The structure is 32 ft (9.8 m) long with a longest span of 16 ft (4.8 m) and a deck 42 ft wide.

Who owns Openshaw RD over Dry Creek Overflow?

It is owned by the County Highway Agency.