US Bridges

State Route 152 over Johnson Creek

Fair

Santa Clara County, California · 04-SCL-152-12.58 · Structure no. 37 0026

Built
1990
35 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
19,600
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 152 over Johnson Creek is a concrete slab carrying State Route 152 over Johnson Creek in Santa Clara County, California. It was built in 1990, so it is 35 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 19,600 vehicles a day, roughly 11% of them trucks, projected to reach 43,729 by 2042. The structure is 35 ft (10.8 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesState Route 152
CrossesJohnson Creek
Location04-SCL-152-12.58
RouteState Highway 152
Coordinates37.00677, -121.51848
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length35 ft (10.8 m)
Longest span35 ft (10.8 m)
Deck width46 ft (14 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,600 (2009)
Projected traffic43,729 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 152 over Johnson Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is State Route 152 over Johnson 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 October 2024.

How much traffic does State Route 152 over Johnson Creek carry?

About 19,600 vehicles per day (2009 count), of which roughly 11% are trucks.

How long is State Route 152 over Johnson Creek?

The structure is 35 ft (10.8 m) long with a longest span of 35 ft (10.8 m) and a deck 46 ft wide.

Who owns State Route 152 over Johnson Creek?

It is owned by the State Highway Agency.