US Bridges

West Lane over Woodbridge S Main Canal

Fair

San Joaquin County, California · 0.7 MI S Armstrong RD · Structure no. 29C0144

Built
1963
62 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete Continuous
Length
30 ft
3 main spans
Daily traffic
13,343
2013 count
Owner
County
County Highway Agency

About this bridge

West Lane over Woodbridge S Main Canal is a concrete continuous culvert carrying West Lane over Woodbridge S Main Canal in San Joaquin County, California. It was built in 1963, so it is 62 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 13,343 vehicles a day, roughly 10% of them trucks, projected to reach 8,898 by 2047. The structure is 30 ft (9.2 m) long and 111 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWest Lane
CrossesWoodbridge S Main Canal
Location0.7 MI S Armstrong RD
RouteCounty Highway 0
Coordinates38.07752, -121.28314
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than 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
DeckNot applicable
Main spans3
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span10 ft (3 m)
Deck width111 ft (33.8 m)
Roadway width75 ft (22.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,343 (2013)
Projected traffic8,898 by 2047
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 West Lane over Woodbridge S Main Canal built?

It was built in 1963, making it 62 years old in 2025.

What condition is West Lane over Woodbridge S Main Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does West Lane over Woodbridge S Main Canal carry?

About 13,343 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is West Lane over Woodbridge S Main Canal?

The structure is 30 ft (9.2 m) long with a longest span of 10 ft (3 m) and a deck 111 ft wide.

Who owns West Lane over Woodbridge S Main Canal?

It is owned by the County Highway Agency.