US Bridges

Angeles Forest HWY over Angeles Forest HWY Oh SP

Fair

Los Angeles County, California · 0.1MI S/O Sierra HWY · Structure no. 53C0642

Built
1961
64 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
167 ft
3 main spans
Daily traffic
1,687
2017 count
Owner
County
County Highway Agency

About this bridge

Angeles Forest HWY over Angeles Forest HWY Oh SP is a steel stringer/multi-beam or girder carrying Angeles Forest HWY over Angeles Forest HWY Oh SP in Los Angeles County, California. It was built in 1961, so it is 64 years old, older 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 5 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 1,687 vehicles a day, roughly 1% of them trucks, projected to reach 1,856 by 2044. The structure is 167 ft (50.9 m) long and 36 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesAngeles Forest HWY
CrossesAngeles Forest HWY Oh SP
Location0.1MI S/O Sierra HWY
RouteCounty Highway 0W481
CountyLos Angeles County
StateCalifornia
Coordinates34.50843, -118.11059
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating70.8 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span54 ft (16.5 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,687 (2017)
Projected traffic1,856 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed18 mi (29 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Angeles Forest HWY over Angeles Forest HWY Oh SP built?

It was built in 1961, making it 64 years old in 2025.

What condition is Angeles Forest HWY over Angeles Forest HWY Oh SP 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 May 2024.

How much traffic does Angeles Forest HWY over Angeles Forest HWY Oh SP carry?

About 1,687 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Angeles Forest HWY over Angeles Forest HWY Oh SP?

The structure is 167 ft (50.9 m) long with a longest span of 54 ft (16.5 m) and a deck 36 ft wide.

Who owns Angeles Forest HWY over Angeles Forest HWY Oh SP?

It is owned by the County Highway Agency.