US Bridges

Market ST over Pine Creek

Good

Contra Costa County, California · At Clayton ST · Structure no. 28C0039

Built
1972
53 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
16,169
1975 count
Owner
City
City or Municipal Highway Agency

About this bridge

Market ST over Pine Creek is a prestressed concrete box beam or girders - multiple carrying Market ST over Pine Creek 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 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 16,169 vehicles a day, roughly 5% of them trucks, projected to reach 29,335 by 2040. The structure is 70 ft (21.3 m) long and 74 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMarket ST
CrossesPine Creek
LocationAt Clayton ST
RouteCity Street 0
Coordinates37.96992, -122.04647
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span69 ft (20.9 m)
Deck width74 ft (22.6 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,169 (1975)
Projected traffic29,335 by 2040
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Market ST over Pine Creek built?

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

What condition is Market ST over Pine 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 January 2023.

How much traffic does Market ST over Pine Creek carry?

About 16,169 vehicles per day (1975 count), of which roughly 5% are trucks.

How long is Market ST over Pine Creek?

The structure is 70 ft (21.3 m) long with a longest span of 69 ft (20.9 m) and a deck 74 ft wide.

Who owns Market ST over Pine Creek?

It is owned by the City or Municipal Highway Agency.