US Bridges

Santa Paula Way over Mosher Slough

Fair

San Joaquin County, California · Just N Macduff Ave · Structure no. 29C0240

Built
1972
53 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
60 ft
2 main spans
Daily traffic
1,800
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Santa Paula Way over Mosher Slough is a concrete continuous slab carrying Santa Paula Way over Mosher Slough in San Joaquin County, California. It was built in 1972, so it is 53 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 1,800 vehicles a day, roughly 3% of them trucks, projected to reach 2,583 by 2045. The structure is 60 ft (18.3 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSanta Paula Way
CrossesMosher Slough
LocationJust N Macduff Ave
RouteCity Street 0
CountySan Joaquin County
StateCalifornia
Coordinates38.02808, -121.31942
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 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 rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2013)
Projected traffic2,583 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Santa Paula Way over Mosher Slough built?

It was built in 1972, making it 53 years old in 2025.

What condition is Santa Paula 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 2023.

How much traffic does Santa Paula Way over Mosher Slough carry?

About 1,800 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is Santa Paula Way over Mosher Slough?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

Who owns Santa Paula Way over Mosher Slough?

It is owned by the City or Municipal Highway Agency.