US Bridges

Hamilton Avenue over Talbert Channel

Fair

Orange County, California · 0.25 MI W/O Bushard ST · Structure no. 55C0376

Built
1976
49 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
89 ft
8 main spans
Daily traffic
12,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hamilton Avenue over Talbert Channel is a concrete culvert carrying Hamilton Avenue over Talbert Channel in Orange County, California. It was built in 1976, so it is 49 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 6 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 12,000 vehicles a day, roughly 2% of them trucks, projected to reach 17,929 by 2040. The structure is 89 ft (27.1 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHamilton Avenue
CrossesTalbert Channel
Location0.25 MI W/O Bushard ST
RouteCity Street 0
Coordinates33.65037, -117.96691
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span10 ft (3 m)
Deck width100 ft (30.5 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2020)
Projected traffic17,929 by 2040
Trucks2%
Lanes on structure5
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

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 Hamilton Avenue over Talbert Channel built?

It was built in 1976, making it 49 years old in 2025.

What condition is Hamilton Avenue 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 September 2023.

How much traffic does Hamilton Avenue over Talbert Channel carry?

About 12,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Hamilton Avenue over Talbert Channel?

The structure is 89 ft (27.1 m) long with a longest span of 10 ft (3 m) and a deck 100 ft wide.

Who owns Hamilton Avenue over Talbert Channel?

It is owned by the City or Municipal Highway Agency.