US Bridges

I-15 NB on Ramp over Pano Ditch

Good

San Bernardino County, California · 08-SBD-015-R138.72 · Structure no. 54 0281S

Built
1965
60 years old
Condition
Good
inspected January 2024
Type
Tee Beam
Concrete
Length
35 ft
1 main span
Daily traffic
1,800
2018 count
Owner
State
State Highway Agency

About this bridge

I-15 NB on Ramp over Pano Ditch is a concrete tee beam carrying I-15 NB on Ramp over Pano Ditch in San Bernardino County, California. It was built in 1965, 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 1,800 vehicles a day, roughly 10% of them trucks, projected to reach 2,611 by 2046. The structure is 35 ft (10.7 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-15 NB on Ramp
CrossesPano Ditch
Location08-SBD-015-R138.72
RouteInterstate 15
Coordinates35.28409, -116.04397
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2018)
Projected traffic2,611 by 2046
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 I-15 NB on Ramp over Pano Ditch built?

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

What condition is I-15 NB on Ramp 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 I-15 NB on Ramp over Pano Ditch carry?

About 1,800 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is I-15 NB on Ramp over Pano Ditch?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns I-15 NB on Ramp over Pano Ditch?

It is owned by the State Highway Agency.