US Bridges

Interstate 15 SB over Pano Ditch

Good

San Bernardino County, California · 08-SBD-015-R138.70 · Structure no. 54 0281L

Built
1965
60 years old, rebuilt 2004
Condition
Good
inspected January 2024
Type
Tee Beam
Concrete
Length
40 ft
1 main span
Daily traffic
22,000
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 15 SB over Pano Ditch is a concrete tee beam carrying Interstate 15 SB over Pano Ditch in San Bernardino County, California. It was built in 1965 and reconstructed in 2004, so it is 60 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 22,000 vehicles a day, roughly 20% of them trucks, projected to reach 26,400 by 2041. The structure is 40 ft (12.3 m) long and 91 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 15 SB
CrossesPano Ditch
Location08-SBD-015-R138.70
RouteInterstate 15
Coordinates35.28406, -116.04537
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span39 ft (11.9 m)
Deck width91 ft (27.8 m)
Roadway width89 ft (27 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2019)
Projected traffic26,400 by 2041
Trucks20%
Lanes on structure4
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 Interstate 15 SB over Pano Ditch built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2004.

What condition is Interstate 15 SB over Pano Ditch 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 2024.

How much traffic does Interstate 15 SB over Pano Ditch carry?

About 22,000 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is Interstate 15 SB over Pano Ditch?

The structure is 40 ft (12.3 m) long with a longest span of 39 ft (11.9 m) and a deck 91 ft wide.

Who owns Interstate 15 SB over Pano Ditch?

It is owned by the State Highway Agency.