US Bridges

Wheelock RD over Dry Creek

Fair

Butte County, California · 0.9 MI N of S.R. 70 · Structure no. 12C0082

Built
1976
49 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
123 ft
2 main spans
Daily traffic
279
2018 count
Owner
County
County Highway Agency

About this bridge

Wheelock RD over Dry Creek is a concrete continuous box beam or girders - multiple carrying Wheelock RD over Dry Creek in Butte County, California. It was built in 1976, so it is 49 years old, younger 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 6 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 279 vehicles a day, roughly 42% of them trucks, projected to reach 389 by 2046. The structure is 123 ft (37.5 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWheelock RD
CrossesDry Creek
Location0.9 MI N of S.R. 70
RouteCounty Highway 0
Coordinates39.63682, -121.59364
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.3 US tons
Inventory rating57.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic279 (2018)
Projected traffic389 by 2046
Trucks42%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Wheelock RD over Dry Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Wheelock RD over Dry Creek 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 Wheelock RD over Dry Creek carry?

About 279 vehicles per day (2018 count), of which roughly 42% are trucks.

How long is Wheelock RD over Dry Creek?

The structure is 123 ft (37.5 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns Wheelock RD over Dry Creek?

It is owned by the County Highway Agency.