US Bridges

Cherbourg Way over Mosher Slough

Fair

San Joaquin County, California · 0.6 MI S Morasa Lane · Structure no. 29C0395

Built
1981
44 years old
Condition
Fair
inspected December 2021
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
2,500
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cherbourg Way over Mosher Slough is a concrete continuous culvert carrying Cherbourg Way over Mosher Slough in San Joaquin County, California. It was built in 1981, so it is 44 years old, younger 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 2,500 vehicles a day, roughly 8% of them trucks, projected to reach 1,709 by 2038. The structure is 33 ft (10.1 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCherbourg Way
CrossesMosher Slough
Location0.6 MI S Morasa Lane
RouteCity Street 0
CountySan Joaquin County
StateCalifornia
Coordinates38.02824, -121.28526
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2021
Inspection intervalevery 48 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span11 ft (3.3 m)
Deck width51 ft (15.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2013)
Projected traffic1,709 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Cherbourg Way over Mosher Slough built?

It was built in 1981, making it 44 years old in 2025.

What condition is Cherbourg Way over Mosher Slough 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 December 2021.

How much traffic does Cherbourg Way over Mosher Slough carry?

About 2,500 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is Cherbourg Way over Mosher Slough?

The structure is 33 ft (10.1 m) long with a longest span of 11 ft (3.3 m) and a deck 51 ft wide.

Who owns Cherbourg Way over Mosher Slough?

It is owned by the City or Municipal Highway Agency.