US Bridges

N241-E91 Connector over SR 91 Ramps & Gypsum Cyn

Fair

Orange County, California · 12-ORA-241-38.84-ANA · Structure no. 55 0791G

Built
1998
27 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,250 ft
7 main spans
Daily traffic
20,000
2014 count
Owner
State
State Highway Agency

About this bridge

N241-E91 Connector over SR 91 Ramps & Gypsum Cyn is a prestressed concrete continuous box beam or girders - multiple carrying N241-E91 Connector over SR 91 Ramps & Gypsum Cyn in Orange County, California. It was built in 1998, so it is 27 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20,000 vehicles a day, roughly 3% of them trucks, projected to reach 25,755 by 2047. The structure is 1,250 ft (381 m) long and 42 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesN241-E91 Connector
CrossesSR 91 Ramps & Gypsum Cyn
Location12-ORA-241-38.84-ANA
RouteState Highway 241
Coordinates33.86483, -117.71331
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length1,250 ft (381 m)
Longest span213 ft (65 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2014)
Projected traffic25,755 by 2047
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a toll 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 N241-E91 Connector over SR 91 Ramps & Gypsum Cyn built?

It was built in 1998, making it 27 years old in 2025.

What condition is N241-E91 Connector over SR 91 Ramps & Gypsum Cyn in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does N241-E91 Connector over SR 91 Ramps & Gypsum Cyn carry?

About 20,000 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is N241-E91 Connector over SR 91 Ramps & Gypsum Cyn?

The structure is 1,250 ft (381 m) long with a longest span of 213 ft (65 m) and a deck 42 ft wide.

Who owns N241-E91 Connector over SR 91 Ramps & Gypsum Cyn?

It is owned by the State Highway Agency.