US Bridges

Gorman School RD over Unnamed Wash

Good

Los Angeles County, California · 100FT W/O I-5 Fwy · Structure no. 53C1616

Built
1960
65 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
3,570
2012 count
Owner
County
County Highway Agency

About this bridge

Gorman School RD over Unnamed Wash is a concrete culvert carrying Gorman School RD over Unnamed Wash in Los Angeles County, California. It was built in 1960, so it is 65 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 3,570 vehicles a day, roughly 1% of them trucks, projected to reach 3,927 by 2041. The structure is 28 ft (8.5 m) long and 68 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesGorman School RD
CrossesUnnamed Wash
Location100FT W/O I-5 Fwy
RouteCounty Highway 0
CountyLos Angeles County
StateCalifornia
Coordinates34.7944, -118.85222
Functional classRural Local

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 inspectionApril 2022
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width68 ft (20.7 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,570 (2012)
Projected traffic3,927 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Gorman School RD over Unnamed Wash built?

It was built in 1960, making it 65 years old in 2025.

What condition is Gorman School RD over Unnamed Wash 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 April 2022.

How much traffic does Gorman School RD over Unnamed Wash carry?

About 3,570 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Gorman School RD over Unnamed Wash?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m) and a deck 68 ft wide.

Who owns Gorman School RD over Unnamed Wash?

It is owned by the County Highway Agency.