US Bridges

E91-MAGNOLIA Av of over UP RR S5-MAGNOLIA Av of

Good

Orange County, California · 12-ORA-091-R3.64R-FUL · Structure no. 55 0472S

Built
1970
55 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
465 ft
5 main spans
Daily traffic
10,000
2016 count
Owner
State
State Highway Agency

About this bridge

E91-MAGNOLIA Av of over UP RR S5-MAGNOLIA Av of is a concrete continuous box beam or girders - multiple carrying E91-MAGNOLIA Av of over UP RR S5-MAGNOLIA Av of in Orange County, California. It was built in 1970, 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 10,000 vehicles a day, roughly 7% of them trucks, projected to reach 11,000 by 2042. The structure is 465 ft (141.7 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE91-MAGNOLIA Av of
CrossesUP RR S5-MAGNOLIA Av of
Location12-ORA-091-R3.64R-FUL
RouteState Highway 91
Coordinates33.85592, -117.98049
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length465 ft (141.7 m)
Longest span129 ft (39.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2016)
Projected traffic11,000 by 2042
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was E91-MAGNOLIA Av of over UP RR S5-MAGNOLIA Av of built?

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

What condition is E91-MAGNOLIA Av of over UP RR S5-MAGNOLIA Av of 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 September 2024.

How much traffic does E91-MAGNOLIA Av of over UP RR S5-MAGNOLIA Av of carry?

About 10,000 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is E91-MAGNOLIA Av of over UP RR S5-MAGNOLIA Av of?

The structure is 465 ft (141.7 m) long with a longest span of 129 ft (39.3 m) and a deck 26 ft wide.

Who owns E91-MAGNOLIA Av of over UP RR S5-MAGNOLIA Av of?

It is owned by the State Highway Agency.