US Bridges

Openshaw RD over Dry Creek

Poor

Butte County, California · 0.15 MI N Shippee RD · Structure no. 12C0268

Built
1930
95 years old, rebuilt 1952
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
149 ft
6 main spans
Daily traffic
20
1990 count
Owner
County
County Highway Agency

About this bridge

Openshaw RD over Dry Creek is a steel stringer/multi-beam or girder carrying Openshaw RD over Dry Creek in Butte County, California. It was built in 1930 and reconstructed in 1952, so it is 95 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 20 vehicles a day, projected to reach 29 by 2046. The structure is 149 ft (45.5 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOpenshaw RD
CrossesDry Creek
Location0.15 MI N Shippee RD
RouteCounty Highway 0
Coordinates39.60774, -121.67148
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25 US tons
Inventory rating15 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length149 ft (45.5 m)
Longest span30 ft (9.2 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1990)
Projected traffic29 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Openshaw RD over Dry Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1952.

What condition is Openshaw RD over Dry Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Openshaw RD over Dry Creek carry?

About 20 vehicles per day (1990 count).

How long is Openshaw RD over Dry Creek?

The structure is 149 ft (45.5 m) long with a longest span of 30 ft (9.2 m) and a deck 29 ft wide.

Who owns Openshaw RD over Dry Creek?

It is owned by the County Highway Agency.