US Bridges

State Route 25 over Tres Pinos Creek

Good

San Benito County, California · 05-SBT-025-42.42 · Structure no. 43 0017

Built
1954
71 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
254 ft
4 main spans
Daily traffic
2,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 25 over Tres Pinos Creek is a concrete continuous tee beam carrying State Route 25 over Tres Pinos Creek in San Benito County, California. It was built in 1954, so it is 71 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,000 vehicles a day, roughly 11% of them trucks, projected to reach 8,056 by 2044. The structure is 254 ft (77.4 m) long and 33 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesState Route 25
CrossesTres Pinos Creek
Location05-SBT-025-42.42
RouteState Highway 25
Coordinates36.76464, -121.29904
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length254 ft (77.4 m)
Longest span67 ft (20.4 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2009)
Projected traffic8,056 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 25 over Tres Pinos Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is State Route 25 over Tres Pinos Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does State Route 25 over Tres Pinos Creek carry?

About 2,000 vehicles per day (2009 count), of which roughly 11% are trucks.

How long is State Route 25 over Tres Pinos Creek?

The structure is 254 ft (77.4 m) long with a longest span of 67 ft (20.4 m) and a deck 33 ft wide.

Who owns State Route 25 over Tres Pinos Creek?

It is owned by the State Highway Agency.