US Bridges

Panoche Road over Tres Pinos Creek

Fair

San Benito County, California · 8 MI W Little Panoche RD · Structure no. 43C0028

Built
1935
90 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
800
2010 count
Owner
County
County Highway Agency

About this bridge

Panoche Road over Tres Pinos Creek is a steel stringer/multi-beam or girder carrying Panoche Road over Tres Pinos Creek in San Benito County, California. It was built in 1935, so it is 90 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 800 vehicles a day, roughly 5% of them trucks, projected to reach 1,045 by 2042. The structure is 29 ft (8.9 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesPanoche Road
CrossesTres Pinos Creek
Location8 MI W Little Panoche RD
RouteCounty Highway 0
CountySan Benito County
StateCalifornia
Coordinates36.64097, -121.02609
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length29 ft (8.9 m)
Longest span28 ft (8.5 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 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 1935, making it 90 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 29 ft (8.9 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns Panoche Road over Tres Pinos Creek?

It is owned by the County Highway Agency.