US Bridges

Kaiser Road over North Branch Weber Creek

Good

San Joaquin County, California · 0.2 MI S Mariposa RD · Structure no. 29C0365

Built
1970
55 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
27 ft
3 main spans
Daily traffic
235
2013 count
Owner
County
County Highway Agency

About this bridge

Kaiser Road over North Branch Weber Creek is a concrete continuous culvert carrying Kaiser Road over North 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 235 vehicles a day, roughly 2% of them trucks, projected to reach 546 by 2045. The structure is 27 ft (8.2 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesKaiser Road
CrossesNorth Branch Weber Creek
Location0.2 MI S Mariposa RD
RouteCounty Highway 0
Coordinates37.91006, -121.16568
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 adequacy8: Equal to present desirable 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 length27 ft (8.2 m)
Longest span9 ft (2.7 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic235 (2013)
Projected traffic546 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 North Branch Weber Creek built?

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

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

About 235 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Kaiser Road over North Branch Weber Creek?

The structure is 27 ft (8.2 m) long with a longest span of 9 ft (2.7 m) and a deck 33 ft wide.

Who owns Kaiser Road over North Branch Weber Creek?

It is owned by the County Highway Agency.