US Bridges

EB 237-NB 880 Conn over WB 237 I 880 & Ramps

Fair

Santa Clara County, California · 04-SCL-237-R9.12R-MPS · Structure no. 37 0568G

Built
2002
23 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,925 ft
10 main spans
Daily traffic
25,000
2006 count
Owner
State
State Highway Agency

About this bridge

EB 237-NB 880 Conn over WB 237 I 880 & Ramps is a prestressed concrete continuous box beam or girders - multiple carrying EB 237-NB 880 Conn over WB 237 I 880 & Ramps in Santa Clara County, California. It was built in 2002, so it is 23 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 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 25,000 vehicles a day, roughly 9% of them trucks, projected to reach 43,039 by 2042. The structure is 1,925 ft (586.7 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEB 237-NB 880 Conn
CrossesWB 237 I 880 & Ramps
Location04-SCL-237-R9.12R-MPS
RouteState Highway 237
Coordinates37.42433, -121.91964
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
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 spans10
Design loadHS 20 + Mod
Structure length1,925 ft (586.7 m)
Longest span236 ft (72 m)
Deck width54 ft (16.4 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,000 (2006)
Projected traffic43,039 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 EB 237-NB 880 Conn over WB 237 I 880 & Ramps built?

It was built in 2002, making it 23 years old in 2025.

What condition is EB 237-NB 880 Conn over WB 237 I 880 & Ramps 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 April 2024.

How much traffic does EB 237-NB 880 Conn over WB 237 I 880 & Ramps carry?

About 25,000 vehicles per day (2006 count), of which roughly 9% are trucks.

How long is EB 237-NB 880 Conn over WB 237 I 880 & Ramps?

The structure is 1,925 ft (586.7 m) long with a longest span of 236 ft (72 m) and a deck 54 ft wide.

Who owns EB 237-NB 880 Conn over WB 237 I 880 & Ramps?

It is owned by the State Highway Agency.