US Bridges

Panoche Road over Tres Pinos Creek

Fair

San Benito County, California · East Cottonwood RD · Structure no. 43C0005

Built
1963
62 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
162 ft
5 main spans
Daily traffic
800
2010 count
Owner
County
County Highway Agency

About this bridge

Panoche Road over Tres Pinos Creek is a concrete continuous slab carrying Panoche Road over Tres Pinos Creek in San Benito County, California. It was built in 1963, so it is 62 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 800 vehicles a day, roughly 5% of them trucks, projected to reach 1,045 by 2042. The structure is 162 ft (49.4 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPanoche Road
CrossesTres Pinos Creek
LocationEast Cottonwood RD
RouteCounty Highway 0
Coordinates36.69517, -121.22684
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span32 ft (9.8 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2010)
Projected traffic1,045 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Panoche Road over Tres Pinos Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Panoche Road over Tres Pinos Creek 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 Panoche Road over Tres Pinos Creek carry?

About 800 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Panoche Road over Tres Pinos Creek?

The structure is 162 ft (49.4 m) long with a longest span of 32 ft (9.8 m) and a deck 29 ft wide.

Who owns Panoche Road over Tres Pinos Creek?

It is owned by the County Highway Agency.