US Bridges

State Route 91 over State Route 71

Good

Riverside County, California · 08-RIV-091-R2.08-COR · Structure no. 56 0587

Built
1970
55 years old, rebuilt 2010
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
235 ft
3 main spans
Daily traffic
264,000
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 91 over State Route 71 is a concrete continuous box beam or girders - multiple carrying State Route 91 over State Route 71 in Riverside County, California. It was built in 1970 and reconstructed in 2010, 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 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 264,000 vehicles a day, roughly 8% of them trucks, projected to reach 304,742 by 2043. The structure is 235 ft (71.6 m) long and 196 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 91
CrossesState Route 71
Location08-RIV-091-R2.08-COR
RouteState Highway 91
Coordinates33.88329, -117.64019
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.1 US tons
Inventory rating21.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length235 ft (71.6 m)
Longest span134 ft (40.9 m)
Deck width196 ft (59.6 m)
Roadway width193 ft (58.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic264,000 (2019)
Projected traffic304,742 by 2043
Trucks8%
Lanes on structure15
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 91 over State Route 71 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2010.

What condition is State Route 91 over State Route 71 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 February 2025.

How much traffic does State Route 91 over State Route 71 carry?

About 264,000 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is State Route 91 over State Route 71?

The structure is 235 ft (71.6 m) long with a longest span of 134 ft (40.9 m) and a deck 196 ft wide.

Who owns State Route 91 over State Route 71?

It is owned by the State Highway Agency.