US Bridges

Salinas ST over Tembladero Slough

Fair

Monterey County, California · 0.15 MI S SR 183 · Structure no. 44C0054

Built
1942
83 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
95 ft
5 main spans
Daily traffic
200
2013 count
Owner
County
County Highway Agency

About this bridge

Salinas ST over Tembladero Slough is a concrete continuous slab carrying Salinas ST over Tembladero Slough in Monterey County, California. It was built in 1942, so it is 83 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 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 200 vehicles a day, roughly 40% of them trucks, projected to reach 407 by 2040. The structure is 95 ft (29 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSalinas ST
CrossesTembladero Slough
Location0.15 MI S SR 183
RouteCounty Highway 0
Coordinates36.76028, -121.75486
Functional classRural 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.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.3 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length95 ft (29 m)
Longest span29 ft (8.8 m)
Deck width36 ft (11.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2013)
Projected traffic407 by 2040
Trucks40%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Salinas ST over Tembladero Slough built?

It was built in 1942, making it 83 years old in 2025.

What condition is Salinas ST over Tembladero 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 September 2023.

How much traffic does Salinas ST over Tembladero Slough carry?

About 200 vehicles per day (2013 count), of which roughly 40% are trucks.

How long is Salinas ST over Tembladero Slough?

The structure is 95 ft (29 m) long with a longest span of 29 ft (8.8 m) and a deck 36 ft wide.

Who owns Salinas ST over Tembladero Slough?

It is owned by the County Highway Agency.