US Bridges

Cleghorn On-Ramp over Brush Creek

Good

San Bernardino County, California · 08-SBD-015-R19.89 · Structure no. 54 0775K

Built
1969
56 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
600
2020 count
Owner
State
State Highway Agency

About this bridge

Cleghorn On-Ramp over Brush Creek is a concrete continuous box beam or girders - multiple carrying Cleghorn On-Ramp over Brush Creek in San Bernardino County, California. It was built in 1969, so it is 56 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 750 by 2045. The structure is 142 ft (43.3 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCleghorn On-Ramp
CrossesBrush Creek
Location08-SBD-015-R19.89
RouteInterstate 15
Coordinates34.29688, -117.45647
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 protection9 ExcellentNo problems noted.
Last inspectionMay 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span65 ft (19.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2020)
Projected traffic750 by 2045
Trucks5%
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 Cleghorn On-Ramp over Brush Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Cleghorn On-Ramp over Brush Creek 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 May 2024.

How much traffic does Cleghorn On-Ramp over Brush Creek carry?

About 600 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Cleghorn On-Ramp over Brush Creek?

The structure is 142 ft (43.3 m) long with a longest span of 65 ft (19.8 m) and a deck 26 ft wide.

Who owns Cleghorn On-Ramp over Brush Creek?

It is owned by the State Highway Agency.