US Bridges

NB I-15 Truck Lane over Kenwood Avenue

Good

San Bernardino County, California · 08-SBD-015-R14.96 · Structure no. 54 1315G

Built
2016
9 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
88 ft
1 main span
Daily traffic
1,001
2016 count
Owner
State
State Highway Agency

About this bridge

NB I-15 Truck Lane over Kenwood Avenue is a prestressed concrete stringer/multi-beam or girder carrying NB I-15 Truck Lane over Kenwood Avenue in San Bernardino County, California. It was built in 2016, so it is 9 years old, younger 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 1,001 vehicles a day, roughly 4% of them trucks, projected to reach 2,042 by 2043. The structure is 88 ft (26.8 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNB I-15 Truck Lane
CrossesKenwood Avenue
Location08-SBD-015-R14.96
RouteInterstate 15
Coordinates34.23694, -117.42475
Functional classRural 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 48 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length88 ft (26.8 m)
Longest span87 ft (26.5 m)
Deck width49 ft (14.9 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,001 (2016)
Projected traffic2,042 by 2043
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 NB I-15 Truck Lane over Kenwood Avenue built?

It was built in 2016, making it 9 years old in 2025.

What condition is NB I-15 Truck Lane over Kenwood Avenue 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 NB I-15 Truck Lane over Kenwood Avenue carry?

About 1,001 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is NB I-15 Truck Lane over Kenwood Avenue?

The structure is 88 ft (26.8 m) long with a longest span of 87 ft (26.5 m) and a deck 49 ft wide.

Who owns NB I-15 Truck Lane over Kenwood Avenue?

It is owned by the State Highway Agency.