US Bridges

Vallecitos Road over Arroyo Del Valle

Poor

Alameda County, California · 450 Ft NW of Vineyard Ave · Structure no. 33C0423

Built
1940
85 years old
Condition
Poor
inspected November 2023
Type
Slab
Concrete Continuous
Length
246 ft
8 main spans
Daily traffic
19,250
2014 count
Owner
County
County Highway Agency

About this bridge

Vallecitos Road over Arroyo Del Valle is a concrete continuous slab carrying Vallecitos Road over Arroyo Del Valle in Alameda County, California. It was built in 1940, so it is 85 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 19,250 vehicles a day, roughly 5% of them trucks, projected to reach 11,050 by 2043. The structure is 246 ft (75 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesVallecitos Road
CrossesArroyo Del Valle
Location450 Ft NW of Vineyard Ave
RouteCounty Highway 0
Coordinates37.64592, -121.78696
Functional classUrban Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length246 ft (75 m)
Longest span38 ft (11.6 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,250 (2014)
Projected traffic11,050 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.8 mi (19 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$2.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vallecitos Road over Arroyo Del Valle built?

It was built in 1940, making it 85 years old in 2025.

What condition is Vallecitos Road over Arroyo Del Valle 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 November 2023.

How much traffic does Vallecitos Road over Arroyo Del Valle carry?

About 19,250 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Vallecitos Road over Arroyo Del Valle?

The structure is 246 ft (75 m) long with a longest span of 38 ft (11.6 m) and a deck 32 ft wide.

Who owns Vallecitos Road over Arroyo Del Valle?

It is owned by the County Highway Agency.