US Bridges

San Juan Road over San Benito River

Fair

San Benito County, California · 1.1 Miles East of SR 156 · Structure no. 43C0075

Built
1953
72 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete Continuous
Length
714 ft
10 main spans
Daily traffic
13,800
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

San Juan Road over San Benito River is a concrete continuous tee beam carrying San Juan Road over San Benito River in San Benito County, California. It was built in 1953, so it is 72 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 6 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, projected to reach 24,599 by 2042. The structure is 714 ft (217.6 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSan Juan Road
CrossesSan Benito River
Location1.1 Miles East of SR 156
RouteCounty Highway 0
CountySan Benito County
StateCalifornia
Coordinates36.85074, -121.43211
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating28.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length714 ft (217.6 m)
Longest span71 ft (21.6 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,800 (2009)
Projected traffic24,599 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 San Juan Road over San Benito River built?

It was built in 1953, making it 72 years old in 2025.

What condition is San Juan Road over San Benito 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 November 2024.

How much traffic does San Juan Road over San Benito River carry?

About 13,800 vehicles per day (2009 count).

How long is San Juan Road over San Benito River?

The structure is 714 ft (217.6 m) long with a longest span of 71 ft (21.6 m) and a deck 33 ft wide.

Who owns San Juan Road over San Benito River?

It is owned by the City or Municipal Highway Agency.