US Bridges

Smith Avenue over Route 91

Fair

Riverside County, California · 08-RIV-091-4.71-COR · Structure no. 56 0357

Built
1992
33 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
256 ft
2 main spans
Daily traffic
6,000
2017 count
Owner
State
State Highway Agency

About this bridge

Smith Avenue over Route 91 is a prestressed concrete continuous box beam or girders - multiple carrying Smith Avenue over Route 91 in Riverside County, California. It was built in 1992, so it is 33 years old, younger 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 6,000 vehicles a day, roughly 1% of them trucks, projected to reach 7,482 by 2043. The structure is 256 ft (78 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSmith Avenue
CrossesRoute 91
Location08-RIV-091-4.71-COR
RouteCity Street 0
Coordinates33.88206, -117.59401
Functional classUrban Minor Arterial

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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length256 ft (78 m)
Longest span128 ft (39 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2017)
Projected traffic7,482 by 2043
Trucks1%
Lanes on structure4
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 Smith Avenue over Route 91 built?

It was built in 1992, making it 33 years old in 2025.

What condition is Smith Avenue over Route 91 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 February 2025.

How much traffic does Smith Avenue over Route 91 carry?

About 6,000 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Smith Avenue over Route 91?

The structure is 256 ft (78 m) long with a longest span of 128 ft (39 m) and a deck 76 ft wide.

Who owns Smith Avenue over Route 91?

It is owned by the State Highway Agency.