US Bridges

Hansen Road over Drainage Ditch

Good

San Joaquin County, California · S/O Schulte RD N/O RR · Structure no. 29C0485

Built
1965
60 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
29 ft
4 main spans
Daily traffic
1,932
2019 count
Owner
County
County Highway Agency

About this bridge

Hansen Road over Drainage Ditch is a concrete culvert carrying Hansen Road over Drainage Ditch in San Joaquin County, California. It was built in 1965, so it is 60 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 1,932 vehicles a day, roughly 90% of them trucks, projected to reach 3,061 by 2044. The structure is 29 ft (8.7 m) long and 64 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHansen Road
CrossesDrainage Ditch
LocationS/O Schulte RD N/O RR
RouteCounty Highway 0
Coordinates37.71239, -121.51303
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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
DeckNot applicable
Main spans4
Design loadUnknown
Structure length29 ft (8.7 m)
Longest span7 ft (2 m)
Deck width64 ft (19.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,932 (2019)
Projected traffic3,061 by 2044
Trucks90%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hansen Road over Drainage Ditch built?

It was built in 1965, making it 60 years old in 2025.

What condition is Hansen Road over Drainage Ditch 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 June 2024.

How much traffic does Hansen Road over Drainage Ditch carry?

About 1,932 vehicles per day (2019 count), of which roughly 90% are trucks.

How long is Hansen Road over Drainage Ditch?

The structure is 29 ft (8.7 m) long with a longest span of 7 ft (2 m) and a deck 64 ft wide.

Who owns Hansen Road over Drainage Ditch?

It is owned by the County Highway Agency.