US Bridges

Cushing Parkway over Wetlands

Fair

Alameda County, California · 0.8 MI West of I-880 · Structure no. 33C0442

Built
2006
19 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
1,800 ft
43 main spans
Daily traffic
17,800
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cushing Parkway over Wetlands is a concrete continuous slab carrying Cushing Parkway over Wetlands in Alameda County, California. It was built in 2006, so it is 19 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 5 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 17,800 vehicles a day, roughly 5% of them trucks, projected to reach 32,040 by 2042. The structure is 1,800 ft (548.6 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCushing Parkway
CrossesWetlands
Location0.8 MI West of I-880
RouteCity Street 0
CountyAlameda County
StateCalifornia
Coordinates37.491, -121.96338
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans43
Design loadHS 20 + Mod
Structure length1,800 ft (548.6 m)
Longest span42 ft (12.8 m)
Deck width77 ft (23.4 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,800 (2022)
Projected traffic32,040 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRelief for waterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cushing Parkway over Wetlands built?

It was built in 2006, making it 19 years old in 2025.

What condition is Cushing Parkway over Wetlands 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 Cushing Parkway over Wetlands carry?

About 17,800 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Cushing Parkway over Wetlands?

The structure is 1,800 ft (548.6 m) long with a longest span of 42 ft (12.8 m) and a deck 77 ft wide.

Who owns Cushing Parkway over Wetlands?

It is owned by the City or Municipal Highway Agency.