US Bridges

Cedar Avenue over Interstate 10

Good

San Bernardino County, California · 08-SBD-010-R18.49-SBD · Structure no. 54 0035

Built
1967
58 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
269 ft
2 main spans
Daily traffic
35,000
2024 count
Owner
State
State Highway Agency

About this bridge

Cedar Avenue over Interstate 10 is a steel continuous stringer/multi-beam or girder carrying Cedar Avenue over Interstate 10 in San Bernardino County, California. It was built in 1967, so it is 58 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 35,000 vehicles a day, roughly 6% of them trucks, projected to reach 45,000 by 2046. The structure is 269 ft (82 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCedar Avenue
CrossesInterstate 10
Location08-SBD-010-R18.49-SBD
RouteCity Street 0R047
Coordinates34.06884, -117.39625
Functional classUrban Minor Arterial

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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length269 ft (82 m)
Longest span142 ft (43.3 m)
Deck width94 ft (28.7 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,000 (2024)
Projected traffic45,000 by 2046
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Cedar Avenue over Interstate 10 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Cedar Avenue over Interstate 10 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 March 2024.

How much traffic does Cedar Avenue over Interstate 10 carry?

About 35,000 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Cedar Avenue over Interstate 10?

The structure is 269 ft (82 m) long with a longest span of 142 ft (43.3 m) and a deck 94 ft wide.

Who owns Cedar Avenue over Interstate 10?

It is owned by the State Highway Agency.