US Bridges

SB Aif Truck Lanes over Ivanpah Ditch

Fair

San Bernardino County, California · 08-SBD-015-179.39 · Structure no. 54 1216J

Built
2016
9 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
98 ft
4 main spans
Daily traffic
19,000
2020 count
Owner
State
State Highway Agency

About this bridge

SB Aif Truck Lanes over Ivanpah Ditch is a concrete continuous slab carrying SB Aif Truck Lanes over Ivanpah Ditch 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 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 19,000 vehicles a day, roughly 20% of them trucks, projected to reach 22,200 by 2042. The structure is 98 ft (29.9 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSB Aif Truck Lanes
CrossesIvanpah Ditch
Location08-SBD-015-179.39
RouteInterstate 15
Coordinates35.51307, -115.43308
Functional classRural 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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length98 ft (29.9 m)
Longest span28 ft (8.5 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2020)
Projected traffic22,200 by 2042
Trucks20%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SB Aif Truck Lanes over Ivanpah Ditch built?

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

What condition is SB Aif Truck Lanes over Ivanpah Ditch 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 March 2024.

How much traffic does SB Aif Truck Lanes over Ivanpah Ditch carry?

About 19,000 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is SB Aif Truck Lanes over Ivanpah Ditch?

The structure is 98 ft (29.9 m) long with a longest span of 28 ft (8.5 m) and a deck 42 ft wide.

Who owns SB Aif Truck Lanes over Ivanpah Ditch?

It is owned by the State Highway Agency.