US Bridges

Cold Cyn RD over Cold Cyn Crk

Good

Los Angeles County, California · 0.7MI S/O Mulholland HWY · Structure no. 53C1847

Built
1981
44 years old
Condition
Good
inspected November 2024
Type
Culvert
Steel
Length
26 ft
1 main span
Daily traffic
1,122
2017 count
Owner
County
County Highway Agency

About this bridge

Cold Cyn RD over Cold Cyn Crk is a steel culvert carrying Cold Cyn RD over Cold Cyn Crk in Los Angeles County, California. It was built in 1981, so it is 44 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,122 vehicles a day, roughly 2% of them trucks, projected to reach 1,234 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesCold Cyn RD
CrossesCold Cyn Crk
Location0.7MI S/O Mulholland HWY
RouteCounty Highway 0WPE3
Coordinates34.09184, -118.67986
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating110 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,122 (2017)
Projected traffic1,234 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cold Cyn RD over Cold Cyn Crk built?

It was built in 1981, making it 44 years old in 2025.

What condition is Cold Cyn RD over Cold Cyn Crk 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 November 2024.

How much traffic does Cold Cyn RD over Cold Cyn Crk carry?

About 1,122 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Cold Cyn RD over Cold Cyn Crk?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m).

Who owns Cold Cyn RD over Cold Cyn Crk?

It is owned by the County Highway Agency.