US Bridges

Edwards ST over Westminster Channel

Good

Orange County, California · 100 N Bolsa Ave · Structure no. 55C0457

Built
1965
60 years old, rebuilt 1972
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
45 ft
4 main spans
Daily traffic
17,000
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Edwards ST over Westminster Channel is a concrete culvert carrying Edwards ST over Westminster Channel in Orange County, California. It was built in 1965 and reconstructed in 1972, so it is 60 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 17,000 vehicles a day, roughly 1% of them trucks, projected to reach 19,048 by 2040. The structure is 45 ft (13.7 m) long and 106 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEdwards ST
CrossesWestminster Channel
Location100 N Bolsa Ave
RouteCity Street 0
Coordinates33.74463, -118.01559
Functional classUrban Minor Arterial

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span10 ft (3 m)
Deck width106 ft (32.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2021)
Projected traffic19,048 by 2040
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Edwards ST over Westminster Channel built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1972.

What condition is Edwards ST over Westminster 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 March 2023.

How much traffic does Edwards ST over Westminster Channel carry?

About 17,000 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Edwards ST over Westminster Channel?

The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m) and a deck 106 ft wide.

Who owns Edwards ST over Westminster Channel?

It is owned by the City or Municipal Highway Agency.