US Bridges

Norse DR over Contra Costa Canal

Fair

Contra Costa County, California · At Paso Nogal · Structure no. 28C0410

Built
1972
53 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
800
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Norse DR over Contra Costa Canal is a prestressed concrete tee beam carrying Norse DR over Contra Costa Canal in Contra Costa County, California. It was built in 1972, so it is 53 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 800 vehicles a day, roughly 1% of them trucks, projected to reach 2,269 by 2047. The structure is 40 ft (12.2 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNorse DR
CrossesContra Costa Canal
LocationAt Paso Nogal
RouteCity Street 0
CountyContra Costa County
StateCalifornia
Coordinates37.9674, -122.07677
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.3 US tons
Inventory rating20.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2020)
Projected traffic2,269 by 2047
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Norse DR over Contra Costa Canal built?

It was built in 1972, making it 53 years old in 2025.

What condition is Norse DR over Contra Costa Canal 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 February 2025.

How much traffic does Norse DR over Contra Costa Canal carry?

About 800 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Norse DR over Contra Costa Canal?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 48 ft wide.

Who owns Norse DR over Contra Costa Canal?

It is owned by the City or Municipal Highway Agency.