US Bridges

State Route 1 over Talbert Channel

Fair

Orange County, California · 12-ORA-001-21.82-HNTB · Structure no. 55 0658

Built
1991
34 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
176 ft
5 main spans
Daily traffic
39,000
2014 count
Owner
State
State Highway Agency

About this bridge

State Route 1 over Talbert Channel is a concrete continuous slab carrying State Route 1 over Talbert Channel in Orange County, California. It was built in 1991, so it is 34 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 39,000 vehicles a day, projected to reach 51,653 by 2040. The structure is 176 ft (53.6 m) long and 110 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesState Route 1
CrossesTalbert Channel
Location12-ORA-001-21.82-HNTB
RouteState Highway 1
CountyOrange County
StateCalifornia
Coordinates33.63305, -117.9602
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans5
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span39 ft (11.9 m)
Deck width110 ft (33.5 m)
Roadway width105 ft (31.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,000 (2014)
Projected traffic51,653 by 2040
Trucks0%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 1 over Talbert Channel built?

It was built in 1991, making it 34 years old in 2025.

What condition is State Route 1 over Talbert Channel 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 June 2023.

How much traffic does State Route 1 over Talbert Channel carry?

About 39,000 vehicles per day (2014 count).

How long is State Route 1 over Talbert Channel?

The structure is 176 ft (53.6 m) long with a longest span of 39 ft (11.9 m) and a deck 110 ft wide.

Who owns State Route 1 over Talbert Channel?

It is owned by the State Highway Agency.