US Bridges

Interstate 40 EB over Bristol Mountain Wash

Fair

San Bernardino County, California · 08-SBD-040-R58.98R · Structure no. 54 0760R

Built
1970
55 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
159 ft
2 main spans
Daily traffic
8,150
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 40 EB over Bristol Mountain Wash is a concrete continuous box beam or girders - multiple carrying Interstate 40 EB over Bristol Mountain Wash in San Bernardino County, California. It was built in 1970, so it is 55 years old, older 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 6 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 8,150 vehicles a day, roughly 43% of them trucks, projected to reach 12,365 by 2046. The structure is 159 ft (48.5 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInterstate 40 EB
CrossesBristol Mountain Wash
Location08-SBD-040-R58.98R
RouteInterstate 40
CountySan Bernardino County
StateCalifornia
Coordinates34.71973, -116.00949
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span79 ft (24.1 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,150 (2018)
Projected traffic12,365 by 2046
Trucks43%
Lanes on structure2
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 40 EB over Bristol Mountain Wash built?

It was built in 1970, making it 55 years old in 2025.

What condition is Interstate 40 EB over Bristol Mountain Wash 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 December 2024.

How much traffic does Interstate 40 EB over Bristol Mountain Wash carry?

About 8,150 vehicles per day (2018 count), of which roughly 43% are trucks.

How long is Interstate 40 EB over Bristol Mountain Wash?

The structure is 159 ft (48.5 m) long with a longest span of 79 ft (24.1 m) and a deck 41 ft wide.

Who owns Interstate 40 EB over Bristol Mountain Wash?

It is owned by the State Highway Agency.