US Bridges

Windemere Parkway over Camino Tassajara

Fair

Contra Costa County, California · .2 MI W Camino Tassajara · Structure no. 28C0249

Built
2007
18 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
394 ft
1 main span
Daily traffic
2,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Windemere Parkway over Camino Tassajara is a prestressed concrete box beam or girders - single or spread carrying Windemere Parkway over Camino Tassajara in Contra Costa County, California. It was built in 2007, so it is 18 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 2,000 vehicles a day, roughly 1% of them trucks, projected to reach 3,765 by 2042. The structure is 394 ft (120 m) long and 86 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesWindemere Parkway
CrossesCamino Tassajara
Location.2 MI W Camino Tassajara
RouteCity Street 0
Coordinates37.74934, -121.87574
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHS 20
Structure length394 ft (120 m)
Longest span151 ft (46 m)
Deck width86 ft (26.2 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2020)
Projected traffic3,765 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 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 Windemere Parkway over Camino Tassajara built?

It was built in 2007, making it 18 years old in 2025.

What condition is Windemere Parkway over Camino Tassajara 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 March 2024.

How much traffic does Windemere Parkway over Camino Tassajara carry?

About 2,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Windemere Parkway over Camino Tassajara?

The structure is 394 ft (120 m) long with a longest span of 151 ft (46 m) and a deck 86 ft wide.

Who owns Windemere Parkway over Camino Tassajara?

It is owned by the City or Municipal Highway Agency.