US Bridges

State Route 237 EB over Caltrain UP RR Central

Good

Santa Clara County, California · 04-SCL-237-R0.99-MVW · Structure no. 37 0080R

Built
1981
44 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
422 ft
1 main span
Daily traffic
34,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 237 EB over Caltrain UP RR Central is a prestressed concrete continuous stringer/multi-beam or girder carrying State Route 237 EB over Caltrain UP RR Central in Santa Clara County, California. It was built in 1981, so it is 44 years old, younger 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 34,000 vehicles a day, roughly 6% of them trucks, projected to reach 50,132 by 2041. The structure is 422 ft (128.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 237 EB
CrossesCaltrain UP RR Central
Location04-SCL-237-R0.99-MVW
RouteState Highway 237
Coordinates37.38712, -122.05796
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHS 20 + Mod
Structure length422 ft (128.7 m)
Longest span84 ft (25.6 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,000 (2009)
Projected traffic50,132 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 237 EB over Caltrain UP RR Central built?

It was built in 1981, making it 44 years old in 2025.

What condition is State Route 237 EB over Caltrain UP RR Central 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 2023.

How much traffic does State Route 237 EB over Caltrain UP RR Central carry?

About 34,000 vehicles per day (2009 count), of which roughly 6% are trucks.

How long is State Route 237 EB over Caltrain UP RR Central?

The structure is 422 ft (128.7 m) long with a longest span of 84 ft (25.6 m) and a deck 40 ft wide.

Who owns State Route 237 EB over Caltrain UP RR Central?

It is owned by the State Highway Agency.