US Bridges

Kaiser Road over South Branch Weber Creek

Good

San Joaquin County, California · 0.5 MI S Mariposa RD · Structure no. 29C0364

Built
1970
55 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
29 ft
3 main spans
Daily traffic
276
2013 count
Owner
County
County Highway Agency

About this bridge

Kaiser Road over South Branch Weber Creek is a concrete continuous culvert carrying Kaiser Road over South Branch Weber Creek in San Joaquin County, California. It was built in 1970, so it is 55 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 276 vehicles a day, roughly 2% of them trucks, projected to reach 548 by 2047. The structure is 29 ft (8.8 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesKaiser Road
CrossesSouth Branch Weber Creek
Location0.5 MI S Mariposa RD
RouteCounty Highway 0
Coordinates37.90349, -121.16556
Functional classRural Local

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 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic276 (2013)
Projected traffic548 by 2047
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Kaiser Road over South Branch Weber Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Kaiser Road over South Branch 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 Kaiser Road over South Branch Weber Creek carry?

About 276 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Kaiser Road over South Branch Weber Creek?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m) and a deck 34 ft wide.

Who owns Kaiser Road over South Branch Weber Creek?

It is owned by the County Highway Agency.