US Bridges

Ferry Street over Arroyo Del Hambre

Poor

Contra Costa County, California · At Green ST · Structure no. 28C0370

Built
1940
85 years old
Condition
Poor
inspected February 2025
Type
Tee Beam
Concrete
Length
36 ft
1 main span
Daily traffic
3,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ferry Street over Arroyo Del Hambre is a concrete tee beam carrying Ferry Street over Arroyo Del Hambre in Contra Costa 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 3,000 vehicles a day, roughly 3% of them trucks, projected to reach 3,541 by 2047. The structure is 36 ft (11 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFerry Street
CrossesArroyo Del Hambre
LocationAt Green ST
RouteCity Street 0
Coordinates38.01636, -122.13458
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.2 US tons
Inventory rating16.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span36 ft (11 m)
Deck width49 ft (15 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2020)
Projected traffic3,541 by 2047
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$645,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ferry Street over Arroyo Del Hambre built?

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

What condition is Ferry Street over Arroyo Del Hambre 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 February 2025.

How much traffic does Ferry Street over Arroyo Del Hambre carry?

About 3,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Ferry Street over Arroyo Del Hambre?

The structure is 36 ft (11 m) long with a longest span of 36 ft (11 m) and a deck 49 ft wide.

Who owns Ferry Street over Arroyo Del Hambre?

It is owned by the City or Municipal Highway Agency.