US Bridges

Interstate 5 over Carbon Creek

Good

Orange County, California · 12-ORA-005-40.20-ANA · Structure no. 55 0910

Built
2002
23 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
259,800
2016 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over Carbon Creek is a concrete culvert carrying Interstate 5 over Carbon Creek in Orange County, California. It was built in 2002, so it is 23 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 259,800 vehicles a day, roughly 9% of them trucks, projected to reach 270,593 by 2044. The structure is 32 ft (9.8 m) long and 203 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesInterstate 5
CrossesCarbon Creek
Location12-ORA-005-40.20-ANA
RouteInterstate 5
Coordinates33.84161, -117.95173
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span16 ft (4.9 m)
Deck width203 ft (62 m)
Roadway width200 ft (61 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic259,800 (2016)
Projected traffic270,593 by 2044
Trucks9%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Interstate 5 over Carbon Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Interstate 5 over Carbon Creek 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 February 2024.

How much traffic does Interstate 5 over Carbon Creek carry?

About 259,800 vehicles per day (2016 count), of which roughly 9% are trucks.

How long is Interstate 5 over Carbon Creek?

The structure is 32 ft (9.8 m) long with a longest span of 16 ft (4.9 m) and a deck 203 ft wide.

Who owns Interstate 5 over Carbon Creek?

It is owned by the State Highway Agency.