US Bridges

W10-S15 Connector over UPRR & AMTRAK

Fair

San Bernardino County, California · 08-SBD-010-9.92-ONT · Structure no. 54 1065F

Built
1978
47 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
165 ft
3 main spans
Daily traffic
29,000
2021 count
Owner
State
State Highway Agency

About this bridge

W10-S15 Connector over UPRR & AMTRAK is a concrete continuous box beam or girders - multiple carrying W10-S15 Connector over UPRR & AMTRAK in San Bernardino County, California. It was built in 1978, so it is 47 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 29,000 vehicles a day, roughly 10% of them trucks, projected to reach 35,000 by 2043. The structure is 165 ft (50.3 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesW10-S15 Connector
CrossesUPRR & AMTRAK
Location08-SBD-010-9.92-ONT
RouteInterstate 10
Coordinates34.06385, -117.54554
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating44 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span84 ft (25.6 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,000 (2021)
Projected traffic35,000 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 W10-S15 Connector over UPRR & AMTRAK built?

It was built in 1978, making it 47 years old in 2025.

What condition is W10-S15 Connector over UPRR & AMTRAK 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 May 2023.

How much traffic does W10-S15 Connector over UPRR & AMTRAK carry?

About 29,000 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is W10-S15 Connector over UPRR & AMTRAK?

The structure is 165 ft (50.3 m) long with a longest span of 84 ft (25.6 m) and a deck 38 ft wide.

Who owns W10-S15 Connector over UPRR & AMTRAK?

It is owned by the State Highway Agency.