US Bridges

N15-W10 Connector over UP RR & AMTRAK

Fair

San Bernardino County, California · 08-SBD-015-2.15-ONT · Structure no. 54 0907G

Built
1978
47 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
228 ft
3 main spans
Daily traffic
27,000
2021 count
Owner
State
State Highway Agency

About this bridge

N15-W10 Connector over UP RR & AMTRAK is a concrete continuous box beam or girders - multiple carrying N15-W10 Connector over UP RR & 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 27,000 vehicles a day, roughly 8% of them trucks, projected to reach 36,426 by 2046. The structure is 228 ft (69.5 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesN15-W10 Connector
CrossesUP RR & AMTRAK
Location08-SBD-015-2.15-ONT
RouteInterstate 15
CountySan Bernardino County
StateCalifornia
Coordinates34.06386, -117.54432
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating61.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length228 ft (69.5 m)
Longest span85 ft (25.9 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,000 (2021)
Projected traffic36,426 by 2046
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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 N15-W10 Connector over UP RR & AMTRAK built?

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

What condition is N15-W10 Connector over UP RR & 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 February 2024.

How much traffic does N15-W10 Connector over UP RR & AMTRAK carry?

About 27,000 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is N15-W10 Connector over UP RR & AMTRAK?

The structure is 228 ft (69.5 m) long with a longest span of 85 ft (25.9 m) and a deck 38 ft wide.

Who owns N15-W10 Connector over UP RR & AMTRAK?

It is owned by the State Highway Agency.