US Bridges

W91-N5 Hov Conn over Magnolia Ave

Good

Orange County, California · 12-ORA-091-R3.85L-FUL · Structure no. 55 0296F

Built
1958
67 years old, rebuilt 2000
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
179 ft
3 main spans
Daily traffic
36,170
2016 count
Owner
State
State Highway Agency

About this bridge

W91-N5 Hov Conn over Magnolia Ave is a steel stringer/multi-beam or girder carrying W91-N5 Hov Conn over Magnolia Ave in Orange County, California. It was built in 1958 and reconstructed in 2000, so it is 67 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 36,170 vehicles a day, roughly 7% of them trucks, projected to reach 39,800 by 2042. The structure is 179 ft (54.6 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW91-N5 Hov Conn
CrossesMagnolia Ave
Location12-ORA-091-R3.85L-FUL
RouteState Highway 91
Coordinates33.85729, -117.97628
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
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 rating61.4 US tons
Inventory rating36.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length179 ft (54.6 m)
Longest span106 ft (32.2 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,170 (2016)
Projected traffic39,800 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-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 W91-N5 Hov Conn over Magnolia Ave built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2000.

What condition is W91-N5 Hov Conn over Magnolia Ave 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 W91-N5 Hov Conn over Magnolia Ave carry?

About 36,170 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is W91-N5 Hov Conn over Magnolia Ave?

The structure is 179 ft (54.6 m) long with a longest span of 106 ft (32.2 m) and a deck 44 ft wide.

Who owns W91-N5 Hov Conn over Magnolia Ave?

It is owned by the State Highway Agency.