US Bridges

SR 39 (beach Blvd) over Carbon Creek Channel

Good

Orange County, California · 12-ORA-039-12.37-ANA · Structure no. 55 0395

Built
1961
64 years old, rebuilt 1971
Condition
Good
inspected January 2022
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
57,000
2012 count
Owner
State
State Highway Agency

About this bridge

SR 39 (beach Blvd) over Carbon Creek Channel is a prestressed concrete slab carrying SR 39 (beach Blvd) over Carbon Creek Channel in Orange County, California. It was built in 1961 and reconstructed in 1971, so it is 64 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 57,000 vehicles a day, roughly 3% of them trucks, projected to reach 71,014 by 2044. The structure is 40 ft (12.2 m) long and 127 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 39 (beach Blvd)
CrossesCarbon Creek Channel
Location12-ORA-039-12.37-ANA
RouteState Highway 39
CountyOrange County
StateCalifornia
Coordinates33.82755, -117.99319
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 inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width127 ft (38.8 m)
Roadway width91 ft (27.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,000 (2012)
Projected traffic71,014 by 2044
Trucks3%
Lanes on structure8
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 39 (beach Blvd) over Carbon Creek Channel built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1971.

What condition is SR 39 (beach Blvd) over Carbon Creek 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 January 2022.

How much traffic does SR 39 (beach Blvd) over Carbon Creek Channel carry?

About 57,000 vehicles per day (2012 count), of which roughly 3% are trucks.

How long is SR 39 (beach Blvd) over Carbon Creek Channel?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 127 ft wide.

Who owns SR 39 (beach Blvd) over Carbon Creek Channel?

It is owned by the State Highway Agency.