US Bridges

S5-S55&N55-N5 Hov over I 5 SR 55 Ramps & Sts

Good

Orange County, California · 12-ORA-055-R10.06-SA · Structure no. 55 0689E

Built
1994
31 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
7,366 ft
52 main spans
Daily traffic
12,000
2020 count
Owner
State
State Highway Agency

About this bridge

S5-S55&N55-N5 Hov over I 5 SR 55 Ramps & Sts is a prestressed concrete continuous box beam or girders - multiple carrying S5-S55&N55-N5 Hov over I 5 SR 55 Ramps & Sts 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 12,000 vehicles a day, roughly 1% of them trucks, projected to reach 26,160 by 2042. The structure is 7,366 ft (2,245.2 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS5-S55&N55-N5 Hov
CrossesI 5 SR 55 Ramps & Sts
Location12-ORA-055-R10.06-SA
RouteState Highway 55
Coordinates33.73414, -117.83377
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 inspectionApril 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans52 (+23 approach)
Design loadHS 20 + Mod
Structure length7,366 ft (2,245.2 m)
Longest span240 ft (73.2 m)
Deck width50 ft (15.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2020)
Projected traffic26,160 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-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 S5-S55&N55-N5 Hov over I 5 SR 55 Ramps & Sts built?

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

What condition is S5-S55&N55-N5 Hov over I 5 SR 55 Ramps & Sts 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 April 2024.

How much traffic does S5-S55&N55-N5 Hov over I 5 SR 55 Ramps & Sts carry?

About 12,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is S5-S55&N55-N5 Hov over I 5 SR 55 Ramps & Sts?

The structure is 7,366 ft (2,245.2 m) long with a longest span of 240 ft (73.2 m) and a deck 50 ft wide.

Who owns S5-S55&N55-N5 Hov over I 5 SR 55 Ramps & Sts?

It is owned by the State Highway Agency.