US Bridges

Kenwood Avenue over Carbon Creek Channel

Good

Orange County, California · 300 W/O East Street · Structure no. 55C0354

Built
1961
64 years old
Condition
Good
inspected August 2021
Type
Slab
Prestressed Concrete
Length
55 ft
2 main spans
Daily traffic
600
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Kenwood Avenue over Carbon Creek Channel is a prestressed concrete slab carrying Kenwood Avenue over Carbon Creek Channel in Orange County, California. It was built in 1961, 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 600 vehicles a day, roughly 1% of them trucks, projected to reach 536 by 2039. The structure is 55 ft (16.8 m) long and 40 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesKenwood Avenue
CrossesCarbon Creek Channel
Location300 W/O East Street
RouteCity Street 0
Coordinates33.85177, -117.9078
Functional classUrban Local

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 inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span27 ft (8.2 m)
Deck width40 ft (12.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2017)
Projected traffic536 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Kenwood Avenue over Carbon Creek Channel built?

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

What condition is Kenwood Avenue 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 August 2021.

How much traffic does Kenwood Avenue over Carbon Creek Channel carry?

About 600 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Kenwood Avenue over Carbon Creek Channel?

The structure is 55 ft (16.8 m) long with a longest span of 27 ft (8.2 m) and a deck 40 ft wide.

Who owns Kenwood Avenue over Carbon Creek Channel?

It is owned by the City or Municipal Highway Agency.