US Bridges

Third ST over Rodeo Creek

Good

Contra Costa County, California · Just E Railroad Ave · Structure no. 28C0378

Built
1965
60 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
725
2014 count
Owner
County
County Highway Agency

About this bridge

Third ST over Rodeo Creek is a concrete slab carrying Third ST over Rodeo Creek in Contra Costa County, California. It was built in 1965, so it is 60 years old, older 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 725 vehicles a day, roughly 2% of them trucks, projected to reach 1,394 by 2044. The structure is 27 ft (8.2 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesThird ST
CrossesRodeo Creek
LocationJust E Railroad Ave
RouteCounty Highway 0
Coordinates38.03528, -122.26628
Functional classUrban Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.2 US tons
Inventory rating33.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic725 (2014)
Projected traffic1,394 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Third ST over Rodeo Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Third ST over Rodeo 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 September 2024.

How much traffic does Third ST over Rodeo Creek carry?

About 725 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Third ST over Rodeo Creek?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 52 ft wide.

Who owns Third ST over Rodeo Creek?

It is owned by the County Highway Agency.