US Bridges

Telegraph RD over Milan Crk

Good

Los Angeles County, California · 0.4MI S/O Leffingwell · Structure no. 53C2099

Built
1987
38 years old
Condition
Good
inspected November 2021
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
16,274
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Telegraph RD over Milan Crk is a concrete culvert carrying Telegraph RD over Milan Crk in Los Angeles County, California. It was built in 1987, so it is 38 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 16,274 vehicles a day, roughly 6% of them trucks, projected to reach 19,529 by 2042. The structure is 22 ft (6.7 m) long and 112 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTelegraph RD
CrossesMilan Crk
Location0.4MI S/O Leffingwell
RouteCity Street 0L165
Coordinates33.92017, -118.01724
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 inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width112 ft (34.1 m)
Roadway width81 ft (24.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,274 (2012)
Projected traffic19,529 by 2042
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Telegraph RD over Milan Crk built?

It was built in 1987, making it 38 years old in 2025.

What condition is Telegraph RD over Milan 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 2021.

How much traffic does Telegraph RD over Milan Crk carry?

About 16,274 vehicles per day (2012 count), of which roughly 6% are trucks.

How long is Telegraph RD over Milan Crk?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 112 ft wide.

Who owns Telegraph RD over Milan Crk?

It is owned by the City or Municipal Highway Agency.