US Bridges

Railroad Ave over Dry Creek

Fair

Alameda County, California · 0.2 MI S Whipple RD · Structure no. 33C0384

Built
1959
66 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
5,500
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Railroad Ave over Dry Creek is a concrete slab carrying Railroad Ave over Dry Creek in Alameda County, California. It was built in 1959, so it is 66 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 5,500 vehicles a day, roughly 2% of them trucks, projected to reach 8,883 by 2046. The structure is 38 ft (11.6 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRailroad Ave
CrossesDry Creek
Location0.2 MI S Whipple RD
RouteCity Street 0
Coordinates37.60364, -122.02862
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span31 ft (9.6 m)
Deck width47 ft (14.2 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2009)
Projected traffic8,883 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Railroad Ave over Dry Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Railroad Ave 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 September 2024.

How much traffic does Railroad Ave over Dry Creek carry?

About 5,500 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is Railroad Ave over Dry Creek?

The structure is 38 ft (11.6 m) long with a longest span of 31 ft (9.6 m) and a deck 47 ft wide.

Who owns Railroad Ave over Dry Creek?

It is owned by the City or Municipal Highway Agency.