US Bridges

State Route 238 over Dry Creek

Fair

Alameda County, California · 04-ALA-238-7.19-UNC · Structure no. 33 0005

Built
1929
96 years old, rebuilt 1969
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
26,250
2014 count
Owner
State
State Highway Agency

About this bridge

State Route 238 over Dry Creek is a concrete slab carrying State Route 238 over Dry Creek in Alameda County, California. It was built in 1929 and reconstructed in 1969, so it is 96 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 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 26,250 vehicles a day, projected to reach 62,434 by 2041. The structure is 28 ft (8.5 m) long and 119 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 238
CrossesDry Creek
Location04-ALA-238-7.19-UNC
RouteState Highway 238
Coordinates37.60687, -122.02052
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width119 ft (36.4 m)
Roadway width108 ft (32.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,250 (2014)
Projected traffic62,434 by 2041
Trucks0%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 238 over Dry Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1969.

What condition is State Route 238 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 February 2024.

How much traffic does State Route 238 over Dry Creek carry?

About 26,250 vehicles per day (2014 count).

How long is State Route 238 over Dry Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 119 ft wide.

Who owns State Route 238 over Dry Creek?

It is owned by the State Highway Agency.