US Bridges

Lambert Road over Coyote Creek Channel

Good

Orange County, California · 0.2 Mi. E/O Idaho Street · Structure no. 55C0327

Built
1972
53 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
73 ft
3 main spans
Daily traffic
31,800
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lambert Road over Coyote Creek Channel is a concrete culvert carrying Lambert Road over Coyote Creek Channel in Orange County, California. It was built in 1972, so it is 53 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 31,800 vehicles a day, roughly 1% of them trucks, projected to reach 76,327 by 2043. The structure is 73 ft (22.3 m) long and 110 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLambert Road
CrossesCoyote Creek Channel
Location0.2 Mi. E/O Idaho Street
RouteCity Street 0
Coordinates33.92444, -117.95755
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
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
DeckNot applicable
Main spans3
Design loadHS 15
Structure length73 ft (22.3 m)
Longest span22 ft (6.6 m)
Deck width110 ft (33.5 m)
Roadway width68 ft (20.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,800 (2017)
Projected traffic76,327 by 2043
Trucks1%
Lanes on structure4
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 Lambert Road over Coyote Creek Channel built?

It was built in 1972, making it 53 years old in 2025.

What condition is Lambert Road over Coyote 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 October 2023.

How much traffic does Lambert Road over Coyote Creek Channel carry?

About 31,800 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Lambert Road over Coyote Creek Channel?

The structure is 73 ft (22.3 m) long with a longest span of 22 ft (6.6 m) and a deck 110 ft wide.

Who owns Lambert Road over Coyote Creek Channel?

It is owned by the City or Municipal Highway Agency.