US Bridges

E91-N15 Connector over Routes 91/15 & W91-N15

Fair

Riverside County, California · 08-RIV-091-7.49-COR · Structure no. 56 0583G

Built
1989
36 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,506 ft
10 main spans
Daily traffic
22,350
2019 count
Owner
State
State Highway Agency

About this bridge

E91-N15 Connector over Routes 91/15 & W91-N15 is a prestressed concrete continuous box beam or girders - multiple carrying E91-N15 Connector over Routes 91/15 & W91-N15 in Riverside County, California. It was built in 1989, so it is 36 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 22,350 vehicles a day, roughly 2% of them trucks, projected to reach 29,531 by 2040. The structure is 1,506 ft (459 m) long and 42 ft wide.

CarriesE91-N15 Connector
CrossesRoutes 91/15 & W91-N15
Location08-RIV-091-7.49-COR
RouteState Highway 91
Coordinates33.88062, -117.54958
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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20 + Mod
Structure length1,506 ft (459 m)
Longest span193 ft (58.7 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,350 (2019)
Projected traffic29,531 by 2040
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 E91-N15 Connector over Routes 91/15 & W91-N15 built?

It was built in 1989, making it 36 years old in 2025.

What condition is E91-N15 Connector over Routes 91/15 & W91-N15 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 E91-N15 Connector over Routes 91/15 & W91-N15 carry?

About 22,350 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is E91-N15 Connector over Routes 91/15 & W91-N15?

The structure is 1,506 ft (459 m) long with a longest span of 193 ft (58.7 m) and a deck 42 ft wide.

Who owns E91-N15 Connector over Routes 91/15 & W91-N15?

It is owned by the State Highway Agency.