US Bridges

Austin Road over Weber Creek

Good

San Joaquin County, California · 4.3 MI N French Camp RD · Structure no. 29C0378

Built
1973
52 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
1,947
2007 count
Owner
County
County Highway Agency

About this bridge

Austin Road over Weber Creek is a concrete continuous culvert carrying Austin Road over Weber Creek in San Joaquin County, California. It was built in 1973, so it is 52 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 1,947 vehicles a day, roughly 5% of them trucks, projected to reach 2,778 by 2047. The structure is 23 ft (6.9 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesAustin Road
CrossesWeber Creek
Location4.3 MI N French Camp RD
RouteCounty Highway 0
Coordinates37.90691, -121.18389
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
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 alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span11 ft (3.4 m)
Deck width34 ft (10.4 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,947 (2007)
Projected traffic2,778 by 2047
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Austin Road over Weber Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Austin Road over Weber 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 2025.

How much traffic does Austin Road over Weber Creek carry?

About 1,947 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is Austin Road over Weber Creek?

The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.4 m) and a deck 34 ft wide.

Who owns Austin Road over Weber Creek?

It is owned by the County Highway Agency.