US Bridges

E91-S5 Conn over UP RR S5-MAGNOLIA Av Off

Good

Orange County, California · 12-ORA-091-R3.61R-FUL · Structure no. 55 0503G

Built
1970
55 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
468 ft
4 main spans
Daily traffic
41,200
2016 count
Owner
State
State Highway Agency

About this bridge

E91-S5 Conn over UP RR S5-MAGNOLIA Av Off is a concrete continuous box beam or girders - multiple carrying E91-S5 Conn over UP RR S5-MAGNOLIA Av Off 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 41,200 vehicles a day, roughly 7% of them trucks, projected to reach 45,320 by 2042. The structure is 468 ft (142.6 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE91-S5 Conn
CrossesUP RR S5-MAGNOLIA Av Off
Location12-ORA-091-R3.61R-FUL
RouteState Highway 91
Coordinates33.85606, -117.98078
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 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

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length468 ft (142.6 m)
Longest span131 ft (39.9 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,200 (2016)
Projected traffic45,320 by 2042
Trucks7%
Lanes on structure2
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-S5 Conn over UP RR S5-MAGNOLIA Av Off built?

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

What condition is E91-S5 Conn over UP RR S5-MAGNOLIA Av Off 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-S5 Conn over UP RR S5-MAGNOLIA Av Off carry?

About 41,200 vehicles per day (2016 count), of which roughly 7% are trucks.

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

The structure is 468 ft (142.6 m) long with a longest span of 131 ft (39.9 m) and a deck 41 ft wide.

Who owns E91-S5 Conn over UP RR S5-MAGNOLIA Av Off?

It is owned by the State Highway Agency.