US Bridges

91-55 Fasttrack over W91-S55 Connectors

Good

Orange County, California · 12-ORA-091-R9.91-ANA · Structure no. 55 0714

Built
1994
31 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
615 ft
5 main spans
Daily traffic
96,857
2020 count
Owner
State
State Highway Agency

About this bridge

91-55 Fasttrack over W91-S55 Connectors is a prestressed concrete continuous box beam or girders - multiple carrying 91-55 Fasttrack over W91-S55 Connectors in Orange County, California. It was built in 1994, so it is 31 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 96,857 vehicles a day, roughly 5% of them trucks, projected to reach 143,924 by 2041. The structure is 615 ft (187.5 m) long and 50 ft wide.

Carries91-55 Fasttrack
CrossesW91-S55 Connectors
Location12-ORA-091-R9.91-ANA
RouteState Highway 91
Coordinates33.84437, -117.82684
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length615 ft (187.5 m)
Longest span123 ft (37.5 m)
Deck width50 ft (15.1 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic96,857 (2020)
Projected traffic143,924 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 91-55 Fasttrack over W91-S55 Connectors built?

It was built in 1994, making it 31 years old in 2025.

What condition is 91-55 Fasttrack over W91-S55 Connectors 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 August 2024.

How much traffic does 91-55 Fasttrack over W91-S55 Connectors carry?

About 96,857 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 91-55 Fasttrack over W91-S55 Connectors?

The structure is 615 ft (187.5 m) long with a longest span of 123 ft (37.5 m) and a deck 50 ft wide.

Who owns 91-55 Fasttrack over W91-S55 Connectors?

It is owned by the State Highway Agency.