US Bridges

Route 91 over Mckinley Street

Fair

Riverside County, California · 08-RIV-091-9.18-COR · Structure no. 56 0365

Built
1961
64 years old, rebuilt 1994
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
82 ft
1 main span
Daily traffic
230,000
2019 count
Owner
State
State Highway Agency

About this bridge

Route 91 over Mckinley Street is a concrete box beam or girders - multiple carrying Route 91 over Mckinley Street in Riverside County, California. It was built in 1961 and reconstructed in 1994, so it is 64 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 230,000 vehicles a day, roughly 10% of them trucks, projected to reach 276,329 by 2040. The structure is 82 ft (25 m) long and 215 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 91
CrossesMckinley Street
Location08-RIV-091-9.18-COR
RouteState Highway 91
Coordinates33.88599, -117.51775
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 2023
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 rating100.3 US tons
Inventory rating60.4 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span80 ft (24.4 m)
Deck width215 ft (65.6 m)
Roadway width192 ft (58.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230,000 (2019)
Projected traffic276,329 by 2040
Trucks10%
Lanes on structure11
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 Route 91 over Mckinley Street built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1994.

What condition is Route 91 over Mckinley Street 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 2023.

How much traffic does Route 91 over Mckinley Street carry?

About 230,000 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Route 91 over Mckinley Street?

The structure is 82 ft (25 m) long with a longest span of 80 ft (24.4 m) and a deck 215 ft wide.

Who owns Route 91 over Mckinley Street?

It is owned by the State Highway Agency.