US Bridges

Gonzales River RD over Salinas River

Fair

Monterey County, California · 0.2 MI E River RD · Structure no. 44C0035

Built
1930
95 years old
Condition
Fair
inspected April 2024
Type
Girder and Floorbeam System
Steel
Length
1,661 ft
12 main spans
Daily traffic
1,800
2017 count
Owner
County
County Highway Agency

About this bridge

Gonzales River RD over Salinas River is a steel girder and floorbeam system carrying Gonzales River RD over Salinas River in Monterey County, California. It was built in 1930, so it is 95 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 1,800 vehicles a day, roughly 10% of them trucks, projected to reach 4,333 by 2041. The structure is 1,661 ft (506.3 m) long and 23 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesGonzales River RD
CrossesSalinas River
Location0.2 MI E River RD
RouteCounty Highway 0
Coordinates36.48404, -121.47089
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.1 US tons
Inventory rating22.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans12 (+17 approach)
Design loadHS 15
Structure length1,661 ft (506.3 m)
Longest span80 ft (24.4 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2017)
Projected traffic4,333 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Gonzales River RD over Salinas River built?

It was built in 1930, making it 95 years old in 2025.

What condition is Gonzales River RD over Salinas River 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 April 2024.

How much traffic does Gonzales River RD over Salinas River carry?

About 1,800 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Gonzales River RD over Salinas River?

The structure is 1,661 ft (506.3 m) long with a longest span of 80 ft (24.4 m) and a deck 23 ft wide.

Who owns Gonzales River RD over Salinas River?

It is owned by the County Highway Agency.