US Bridges

N55-S73 Connector over Bristol ST

Fair

Orange County, California · 12-ORA-055-R4.58-CMS · Structure no. 55 0905S

Built
2010
15 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
190 ft
1 main span
Daily traffic
20,800
2014 count
Owner
State
State Highway Agency

About this bridge

N55-S73 Connector over Bristol ST is a prestressed concrete box beam or girders - multiple carrying N55-S73 Connector over Bristol ST in Orange County, California. It was built in 2010, so it is 15 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 20,800 vehicles a day, roughly 3% of them trucks, projected to reach 22,444 by 2042. The structure is 190 ft (58 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesN55-S73 Connector
CrossesBristol ST
Location12-ORA-055-R4.58-CMS
RouteState Highway 55
CountyOrange County
StateCalifornia
Coordinates33.67128, -117.88776
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 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 alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length190 ft (58 m)
Longest span190 ft (58 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,800 (2014)
Projected traffic22,444 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 N55-S73 Connector over Bristol ST built?

It was built in 2010, making it 15 years old in 2025.

What condition is N55-S73 Connector over Bristol ST 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 2024.

How much traffic does N55-S73 Connector over Bristol ST carry?

About 20,800 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is N55-S73 Connector over Bristol ST?

The structure is 190 ft (58 m) long with a longest span of 190 ft (58 m) and a deck 30 ft wide.

Who owns N55-S73 Connector over Bristol ST?

It is owned by the State Highway Agency.