US Bridges

Monte RD over Salinas River

Poor

Monterey County, California · 0.75 MI N Del Monte Blvd · Structure no. 44C0093

Built
1943
82 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
785 ft
7 main spans
Daily traffic
2,200
2017 count
Owner
County
County Highway Agency

About this bridge

Monte RD over Salinas River is a steel continuous stringer/multi-beam or girder carrying Monte RD over Salinas River in Monterey County, California. It was built in 1943, so it is 82 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,200 vehicles a day, roughly 15% of them trucks, projected to reach 4,271 by 2040. The structure is 785 ft (239.3 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMonte RD
CrossesSalinas River
Location0.75 MI N Del Monte Blvd
RouteCounty Highway 0
Coordinates36.73125, -121.78276
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating29.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length785 ft (239.3 m)
Longest span154 ft (46.9 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2017)
Projected traffic4,271 by 2040
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$8.9 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Monte RD over Salinas River built?

It was built in 1943, making it 82 years old in 2025.

What condition is Monte RD over Salinas River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does Monte RD over Salinas River carry?

About 2,200 vehicles per day (2017 count), of which roughly 15% are trucks.

How long is Monte RD over Salinas River?

The structure is 785 ft (239.3 m) long with a longest span of 154 ft (46.9 m) and a deck 32 ft wide.

Who owns Monte RD over Salinas River?

It is owned by the County Highway Agency.