US Bridges

Bear Gulch Road over Chalone Creek

Fair

San Benito County, California · Ca State Route 25 to Ca S · Structure no. 8450001P0000000

Built
1999
26 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
121 ft
2 main spans
Daily traffic
75
2019 count
Owner
Federal
National Park Service

About this bridge

Bear Gulch Road over Chalone Creek is a concrete continuous box beam or girders - single or spread carrying Bear Gulch Road over Chalone Creek in San Benito County, California. It was built in 1999, so it is 26 years old, younger 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 75 vehicles a day, roughly 1% of them trucks, projected to reach 125 by 2039. The structure is 121 ft (37 m) long and 32 ft wide.

CarriesBear Gulch Road
CrossesChalone Creek
LocationCa State Route 25 to Ca S
RouteFederal Lands Road 10
Coordinates36.48697, -121.16954
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionJuly 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length121 ft (37 m)
Longest span58 ft (17.7 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2019)
Projected traffic125 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$23,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bear Gulch Road over Chalone Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Bear Gulch Road over Chalone 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 July 2024.

How much traffic does Bear Gulch Road over Chalone Creek carry?

About 75 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Bear Gulch Road over Chalone Creek?

The structure is 121 ft (37 m) long with a longest span of 58 ft (17.7 m) and a deck 32 ft wide.

Who owns Bear Gulch Road over Chalone Creek?

It is owned by the National Park Service.