US Bridges

N15-W10 Connector over I 10 I 15 & Conns

Fair

San Bernardino County, California · 08-SBD-015-2.37-ONT · Structure no. 54 0908G

Built
1975
50 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
1,410 ft
6 main spans
Daily traffic
27,001
2014 count
Owner
State
State Highway Agency

About this bridge

N15-W10 Connector over I 10 I 15 & Conns is a concrete continuous box beam or girders - multiple carrying N15-W10 Connector over I 10 I 15 & Conns in San Bernardino County, California. It was built in 1975, so it is 50 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 27,001 vehicles a day, roughly 8% of them trucks, projected to reach 46,834 by 2046. The structure is 1,410 ft (429.8 m) long and 38 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesN15-W10 Connector
CrossesI 10 I 15 & Conns
Location08-SBD-015-2.37-ONT
RouteInterstate 15
CountySan Bernardino County
StateCalifornia
Coordinates34.06565, -117.54418
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating98.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6 (+3 approach)
Design loadHS 20 + Mod
Structure length1,410 ft (429.8 m)
Longest span205 ft (62.5 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,001 (2014)
Projected traffic46,834 by 2046
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 I 10 I 15 & Conns built?

It was built in 1975, making it 50 years old in 2025.

What condition is N15-W10 Connector over I 10 I 15 & Conns 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 I 10 I 15 & Conns carry?

About 27,001 vehicles per day (2014 count), of which roughly 8% are trucks.

How long is N15-W10 Connector over I 10 I 15 & Conns?

The structure is 1,410 ft (429.8 m) long with a longest span of 205 ft (62.5 m) and a deck 38 ft wide.

Who owns N15-W10 Connector over I 10 I 15 & Conns?

It is owned by the State Highway Agency.