US Bridges

Central Parkway EB over Tassajara Creek

Good

Alameda County, California · East of Persimmon Drive · Structure no. 33C0432R

Built
2001
24 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
158 ft
3 main spans
Daily traffic
1,500
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Central Parkway EB over Tassajara Creek is a prestressed concrete slab carrying Central Parkway EB over Tassajara Creek in Alameda County, California. It was built in 2001, so it is 24 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,500 vehicles a day, roughly 3% of them trucks, projected to reach 735 by 2045. The structure is 158 ft (48.2 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCentral Parkway EB
CrossesTassajara Creek
LocationEast of Persimmon Drive
RouteCity Street 0
CountyAlameda County
StateCalifornia
Coordinates37.70853, -121.87984
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length158 ft (48.2 m)
Longest span61 ft (18.6 m)
Deck width30 ft (9.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2014)
Projected traffic735 by 2045
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Central Parkway EB over Tassajara Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Central Parkway EB over Tassajara Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Central Parkway EB over Tassajara Creek carry?

About 1,500 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is Central Parkway EB over Tassajara Creek?

The structure is 158 ft (48.2 m) long with a longest span of 61 ft (18.6 m) and a deck 30 ft wide.

Who owns Central Parkway EB over Tassajara Creek?

It is owned by the City or Municipal Highway Agency.