US Bridges

State Route 24 EB over Lafayette Sta Puc(bartd)

Good

Contra Costa County, California · 04-CC-024-R6.08-LFYT · Structure no. 28 0230R

Built
1971
54 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
79,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 24 EB over Lafayette Sta Puc(bartd) is a concrete tee beam carrying State Route 24 EB over Lafayette Sta Puc(bartd) in Contra Costa County, California. It was built in 1971, so it is 54 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 79,500 vehicles a day, roughly 3% of them trucks, projected to reach 117,394 by 2041. The structure is 33 ft (10.1 m) long and 66 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesState Route 24 EB
CrossesLafayette Sta Puc(bartd)
Location04-CC-024-R6.08-LFYT
RouteState Highway 24
Coordinates37.8931, -122.12467
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating36.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span25 ft (7.6 m)
Deck width66 ft (20.1 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79,500 (2009)
Projected traffic117,394 by 2041
Trucks3%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 24 EB over Lafayette Sta Puc(bartd) built?

It was built in 1971, making it 54 years old in 2025.

What condition is State Route 24 EB over Lafayette Sta Puc(bartd) 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 June 2023.

How much traffic does State Route 24 EB over Lafayette Sta Puc(bartd) carry?

About 79,500 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is State Route 24 EB over Lafayette Sta Puc(bartd)?

The structure is 33 ft (10.1 m) long with a longest span of 25 ft (7.6 m) and a deck 66 ft wide.

Who owns State Route 24 EB over Lafayette Sta Puc(bartd)?

It is owned by the State Highway Agency.