US Bridges

Interstate 10 over State Route 38 (6th St)

Fair

San Bernardino County, California · 08-SBD-010-31.01-RDL · Structure no. 54 0579

Built
1962
63 years old, rebuilt 2008
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
144 ft
3 main spans
Daily traffic
152,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 over State Route 38 (6th St) is a concrete continuous box beam or girders - multiple carrying Interstate 10 over State Route 38 (6th St) in San Bernardino County, California. It was built in 1962 and reconstructed in 2008, so it is 63 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 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 152,000 vehicles a day, roughly 12% of them trucks, projected to reach 180,000 by 2042. The structure is 144 ft (43.9 m) long and 155 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesInterstate 10
CrossesState Route 38 (6th St)
Location08-SBD-010-31.01-RDL
RouteInterstate 10
CountySan Bernardino County
StateCalifornia
Coordinates34.06161, -117.18059
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length144 ft (43.9 m)
Longest span76 ft (23.2 m)
Deck width155 ft (47.1 m)
Roadway width150 ft (45.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic152,000 (2020)
Projected traffic180,000 by 2042
Trucks12%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 10 over State Route 38 (6th St) built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2008.

What condition is Interstate 10 over State Route 38 (6th St) 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 April 2024.

How much traffic does Interstate 10 over State Route 38 (6th St) carry?

About 152,000 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Interstate 10 over State Route 38 (6th St)?

The structure is 144 ft (43.9 m) long with a longest span of 76 ft (23.2 m) and a deck 155 ft wide.

Who owns Interstate 10 over State Route 38 (6th St)?

It is owned by the State Highway Agency.