US Bridges

Morada Lane over Mosher Slough

Fair

San Joaquin County, California · 1 Mile W of Route 99 · Structure no. 29C0424

Built
2007
18 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
47 ft
1 main span
Daily traffic
13,800
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Morada Lane over Mosher Slough is a concrete slab carrying Morada Lane over Mosher Slough in San Joaquin County, California. It was built in 2007, so it is 18 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 5 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 13,800 vehicles a day, roughly 4% of them trucks, projected to reach 21,663 by 2045. The structure is 47 ft (14.3 m) long and 103 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesMorada Lane
CrossesMosher Slough
Location1 Mile W of Route 99
RouteCity Street 0
Coordinates38.03686, -121.27684
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length47 ft (14.3 m)
Longest span47 ft (14.3 m)
Deck width103 ft (31.4 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,800 (2015)
Projected traffic21,663 by 2045
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Morada Lane over Mosher Slough built?

It was built in 2007, making it 18 years old in 2025.

What condition is Morada Lane 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 2023.

How much traffic does Morada Lane over Mosher Slough carry?

About 13,800 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is Morada Lane over Mosher Slough?

The structure is 47 ft (14.3 m) long with a longest span of 47 ft (14.3 m) and a deck 103 ft wide.

Who owns Morada Lane over Mosher Slough?

It is owned by the City or Municipal Highway Agency.