US Bridges

State Route 1 over Irvine Cove DR

Good

Orange County, California · 12-ORA-001-11.35-LGNB · Structure no. 55 0283

Built
1956
69 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
40 ft
1 main span
Daily traffic
31,000
2014 count
Owner
State
State Highway Agency

About this bridge

State Route 1 over Irvine Cove DR is a concrete slab carrying State Route 1 over Irvine Cove DR in Orange County, California. It was built in 1956, so it is 69 years old, older 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 31,000 vehicles a day, projected to reach 35,587 by 2040. The structure is 40 ft (12.2 m) long and 90 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesState Route 1
CrossesIrvine Cove DR
Location12-ORA-001-11.35-LGNB
RouteState Highway 1
Coordinates33.55585, -117.81413
Functional classUrban Other Principal Arterial

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 inspectionJune 2023
Inspection intervalevery 48 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

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span35 ft (10.7 m)
Deck width90 ft (27.4 m)
Roadway width79 ft (24.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,000 (2014)
Projected traffic35,587 by 2040
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed19.3 mi (31 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 1 over Irvine Cove DR built?

It was built in 1956, making it 69 years old in 2025.

What condition is State Route 1 over Irvine Cove DR 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 June 2023.

How much traffic does State Route 1 over Irvine Cove DR carry?

About 31,000 vehicles per day (2014 count).

How long is State Route 1 over Irvine Cove DR?

The structure is 40 ft (12.2 m) long with a longest span of 35 ft (10.7 m) and a deck 90 ft wide.

Who owns State Route 1 over Irvine Cove DR?

It is owned by the State Highway Agency.