US Bridges

Promenade Avenue over Route 91

Good

Riverside County, California · 08-RIV-091-8.10-COR · Structure no. 56 0771

Built
1991
34 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
275 ft
2 main spans
Daily traffic
2,250
2020 count
Owner
State
State Highway Agency

About this bridge

Promenade Avenue over Route 91 is a prestressed concrete continuous box beam or girders - multiple carrying Promenade Avenue over Route 91 in Riverside County, California. It was built in 1991, so it is 34 years old, younger 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 2,250 vehicles a day, roughly 1% of them trucks, projected to reach 2,400 by 2040. The structure is 275 ft (83.8 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPromenade Avenue
CrossesRoute 91
Location08-RIV-091-8.10-COR
RouteCity Street 0
Coordinates33.88381, -117.53697
Functional classUrban Local

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 + Mod
Structure length275 ft (83.8 m)
Longest span142 ft (43.3 m)
Deck width68 ft (20.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,250 (2020)
Projected traffic2,400 by 2040
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 Promenade Avenue over Route 91 built?

It was built in 1991, making it 34 years old in 2025.

What condition is Promenade Avenue over Route 91 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 April 2023.

How much traffic does Promenade Avenue over Route 91 carry?

About 2,250 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Promenade Avenue over Route 91?

The structure is 275 ft (83.8 m) long with a longest span of 142 ft (43.3 m) and a deck 68 ft wide.

Who owns Promenade Avenue over Route 91?

It is owned by the State Highway Agency.