US Bridges

Vasco Road over Brushy Creek

Good

Contra Costa County, California · 5.1 MI S Walnut Blvd · Structure no. 28C0229

Built
1996
29 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
19,806
2013 count
Owner
County
County Highway Agency

About this bridge

Vasco Road over Brushy Creek is a prestressed concrete box beam or girders - multiple carrying Vasco Road over Brushy Creek in Contra Costa County, California. It was built in 1996, so it is 29 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 19,806 vehicles a day, roughly 5% of them trucks, projected to reach 32,495 by 2046. The structure is 115 ft (35.1 m) long and 53 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesVasco Road
CrossesBrushy Creek
Location5.1 MI S Walnut Blvd
RouteCounty Highway 0
Coordinates37.8197, -121.65553
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span110 ft (33.5 m)
Deck width53 ft (16.3 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,806 (2013)
Projected traffic32,495 by 2046
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Vasco Road over Brushy Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Vasco Road over Brushy 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 July 2024.

How much traffic does Vasco Road over Brushy Creek carry?

About 19,806 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Vasco Road over Brushy Creek?

The structure is 115 ft (35.1 m) long with a longest span of 110 ft (33.5 m) and a deck 53 ft wide.

Who owns Vasco Road over Brushy Creek?

It is owned by the County Highway Agency.