US Bridges

Openshaw RD over Dry Creek Overflow

Fair

Butte County, California · 0.2 MI N/W Shippee RD · Structure no. 12C0269

Built
1922
103 years old, rebuilt 1931
Condition
Fair
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 1922 and reconstructed in 1931, so it is 103 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 10 vehicles a day, projected to reach 11 by 2046. The structure is 32 ft (9.7 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOpenshaw RD
CrossesDry Creek Overflow
Location0.2 MI N/W Shippee RD
RouteCounty Highway 0
Coordinates39.609, -121.6728
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length32 ft (9.7 m)
Longest span15 ft (4.7 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.8 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 1922, making it 103 years old in 2025. It was reconstructed in 1931.

What condition is Openshaw RD over Dry Creek Overflow 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 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 (9.7 m) long with a longest span of 15 ft (4.7 m) and a deck 30 ft wide.

Who owns Openshaw RD over Dry Creek Overflow?

It is owned by the County Highway Agency.