US Bridges

Interstate 15 SB over Abandoned RR (bikepath)

Fair

San Bernardino County, California · 08-SBD-015-7.08-FNA · Structure no. 54 0963L

Built
1976
49 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
174 ft
3 main spans
Daily traffic
80,000
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 15 SB over Abandoned RR (bikepath) is a concrete continuous box beam or girders - multiple carrying Interstate 15 SB over Abandoned RR (bikepath) in San Bernardino County, California. It was built in 1976, so it is 49 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 80,000 vehicles a day, roughly 8% of them trucks, projected to reach 90,000 by 2040. The structure is 174 ft (53 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 15 SB
CrossesAbandoned RR (bikepath)
Location08-SBD-015-7.08-FNA
RouteInterstate 15
Coordinates34.12449, -117.51038
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 2023
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length174 ft (53 m)
Longest span66 ft (20.1 m)
Deck width81 ft (24.7 m)
Roadway width77 ft (23.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80,000 (2019)
Projected traffic90,000 by 2040
Trucks8%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
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 Interstate 15 SB over Abandoned RR (bikepath) built?

It was built in 1976, making it 49 years old in 2025.

What condition is Interstate 15 SB over Abandoned RR (bikepath) 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 2023.

How much traffic does Interstate 15 SB over Abandoned RR (bikepath) carry?

About 80,000 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Interstate 15 SB over Abandoned RR (bikepath)?

The structure is 174 ft (53 m) long with a longest span of 66 ft (20.1 m) and a deck 81 ft wide.

Who owns Interstate 15 SB over Abandoned RR (bikepath)?

It is owned by the State Highway Agency.