US Bridges

State Route 91 EB over W91-S55 Connector

Good

Orange County, California · 12-ORA-091-R9.17-ANA · Structure no. 55 0713R

Built
1994
31 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
82 ft
1 main span
Daily traffic
106,500
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 91 EB over W91-S55 Connector is a concrete slab carrying State Route 91 EB over W91-S55 Connector 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 106,500 vehicles a day, roughly 6% of them trucks, projected to reach 151,000 by 2042. The structure is 82 ft (25.1 m) long and 51 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesState Route 91 EB
CrossesW91-S55 Connector
Location12-ORA-091-R9.17-ANA
RouteState Highway 91
Coordinates33.84414, -117.82749
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 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 alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length82 ft (25.1 m)
Longest span82 ft (25.1 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106,500 (2020)
Projected traffic151,000 by 2042
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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 State Route 91 EB over W91-S55 Connector built?

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

What condition is State Route 91 EB over W91-S55 Connector 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 State Route 91 EB over W91-S55 Connector carry?

About 106,500 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is State Route 91 EB over W91-S55 Connector?

The structure is 82 ft (25.1 m) long with a longest span of 82 ft (25.1 m) and a deck 51 ft wide.

Who owns State Route 91 EB over W91-S55 Connector?

It is owned by the State Highway Agency.