US Bridges

W91-N5 Connector over Magnolia Ave

Good

Orange County, California · 12-ORA-091-R3.84L-ANA · Structure no. 55 0832F

Built
2000
25 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
410 ft
3 main spans
Daily traffic
36,170
2016 count
Owner
State
State Highway Agency

About this bridge

W91-N5 Connector over Magnolia Ave is a prestressed concrete continuous box beam or girders - multiple carrying W91-N5 Connector over Magnolia Ave in Orange County, California. It was built in 2000, so it is 25 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 36,170 vehicles a day, roughly 7% of them trucks, projected to reach 39,800 by 2042. The structure is 410 ft (125 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesW91-N5 Connector
CrossesMagnolia Ave
Location12-ORA-091-R3.84L-ANA
RouteInterstate 91
CountyOrange County
StateCalifornia
Coordinates33.85815, -117.97732
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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 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

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length410 ft (125 m)
Longest span143 ft (43.6 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 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 Connector over Magnolia Ave built?

It was built in 2000, making it 25 years old in 2025.

What condition is W91-N5 Connector 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 Connector over Magnolia Ave carry?

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

How long is W91-N5 Connector over Magnolia Ave?

The structure is 410 ft (125 m) long with a longest span of 143 ft (43.6 m) and a deck 43 ft wide.

Who owns W91-N5 Connector over Magnolia Ave?

It is owned by the State Highway Agency.