US Bridges

State Route 1 over Tidal Inlet Channel

Good

Orange County, California · 12-ORA-001-27.31 · Structure no. 55 1068

Built
2006
19 years old
Condition
Good
inspected June 2021
Type
Slab
Concrete Continuous
Length
410 ft
13 main spans
Daily traffic
36,000
2012 count
Owner
State
State Highway Agency

About this bridge

State Route 1 over Tidal Inlet Channel is a concrete continuous slab carrying State Route 1 over Tidal Inlet Channel in Orange County, California. It was built in 2006, so it is 19 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 36,000 vehicles a day, projected to reach 53,889 by 2040. The structure is 410 ft (125 m) long and 105 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesState Route 1
CrossesTidal Inlet Channel
Location12-ORA-001-27.31
RouteState Highway 1
CountyOrange County
StateCalifornia
Coordinates33.68292, -118.03513
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal 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 Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20 + Mod
Structure length410 ft (125 m)
Longest span33 ft (10 m)
Deck width105 ft (31.9 m)
Roadway width80 ft (24.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,000 (2012)
Projected traffic53,889 by 2040
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 State Route 1 over Tidal Inlet Channel built?

It was built in 2006, making it 19 years old in 2025.

What condition is State Route 1 over Tidal Inlet Channel 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 2021.

How much traffic does State Route 1 over Tidal Inlet Channel carry?

About 36,000 vehicles per day (2012 count).

How long is State Route 1 over Tidal Inlet Channel?

The structure is 410 ft (125 m) long with a longest span of 33 ft (10 m) and a deck 105 ft wide.

Who owns State Route 1 over Tidal Inlet Channel?

It is owned by the State Highway Agency.