US Bridges

Interstate 15 SB over N215-S15 Connector Ramp

Good

San Bernardino County, California · 08-SBD-015-M16.32 · Structure no. 54 0782L

Built
1969
56 years old, rebuilt 2016
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
134 ft
1 main span
Daily traffic
86,500
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 15 SB over N215-S15 Connector Ramp is a prestressed concrete box beam or girders - multiple carrying Interstate 15 SB over N215-S15 Connector Ramp in San Bernardino County, California. It was built in 1969 and reconstructed in 2016, so it is 56 years old, older 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 86,500 vehicles a day, roughly 14% of them trucks, projected to reach 98,000 by 2042. The structure is 134 ft (40.8 m) long and 85 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesInterstate 15 SB
CrossesN215-S15 Connector Ramp
Location08-SBD-015-M16.32
RouteInterstate 15
Coordinates34.22445, -117.41064
Functional classUrban Principal Arterial - Interstate

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 inspectionJanuary 2025
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 rating96.8 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length134 ft (40.8 m)
Longest span130 ft (39.6 m)
Deck width85 ft (25.8 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86,500 (2022)
Projected traffic98,000 by 2042
Trucks14%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 Interstate 15 SB over N215-S15 Connector Ramp built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2016.

What condition is Interstate 15 SB over N215-S15 Connector Ramp 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 January 2025.

How much traffic does Interstate 15 SB over N215-S15 Connector Ramp carry?

About 86,500 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Interstate 15 SB over N215-S15 Connector Ramp?

The structure is 134 ft (40.8 m) long with a longest span of 130 ft (39.6 m) and a deck 85 ft wide.

Who owns Interstate 15 SB over N215-S15 Connector Ramp?

It is owned by the State Highway Agency.