US Bridges

Van Allen Road over North Little Johns Creek

Good

San Joaquin County, California · 1.0 MI S SH 4 · Structure no. 29C0117

Built
1969
56 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
72 ft
3 main spans
Daily traffic
350
2010 count
Owner
County
County Highway Agency

About this bridge

Van Allen Road over North Little Johns Creek is a concrete continuous slab carrying Van Allen Road over North Little Johns Creek in San Joaquin County, California. It was built in 1969, so it is 56 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 350 vehicles a day, roughly 5% of them trucks, projected to reach 326 by 2041. The structure is 72 ft (22 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesVan Allen Road
CrossesNorth Little Johns Creek
Location1.0 MI S SH 4
RouteCounty Highway 0
Coordinates37.91878, -121.05625
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length72 ft (22 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2010)
Projected traffic326 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Van Allen Road over North Little Johns Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Van Allen Road over North Little Johns 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 March 2023.

How much traffic does Van Allen Road over North Little Johns Creek carry?

About 350 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Van Allen Road over North Little Johns Creek?

The structure is 72 ft (22 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns Van Allen Road over North Little Johns Creek?

It is owned by the County Highway Agency.