US Bridges

Jackson Street over State Route 91

Good

Riverside County, California · 08-RIV-091-14.60-RIV · Structure no. 56 0390

Built
2003
22 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
203 ft
2 main spans
Daily traffic
11,200
2020 count
Owner
State
State Highway Agency

About this bridge

Jackson Street over State Route 91 is a prestressed concrete continuous box beam or girders - multiple carrying Jackson Street over State Route 91 in Riverside County, California. It was built in 2003, so it is 22 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 11,200 vehicles a day, roughly 2% of them trucks, projected to reach 13,500 by 2040. The structure is 203 ft (62 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesJackson Street
CrossesState Route 91
Location08-RIV-091-14.60-RIV
RouteCity Street 0
Coordinates33.91919, -117.43483
Functional classUrban Collector

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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length203 ft (62 m)
Longest span102 ft (31 m)
Deck width51 ft (15.6 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2020)
Projected traffic13,500 by 2040
Trucks2%
Lanes on structure2
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 Jackson Street over State Route 91 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Jackson Street over State 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 Jackson Street over State Route 91 carry?

About 11,200 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Jackson Street over State Route 91?

The structure is 203 ft (62 m) long with a longest span of 102 ft (31 m) and a deck 51 ft wide.

Who owns Jackson Street over State Route 91?

It is owned by the State Highway Agency.