US Bridges

Short ST over Santa Monica Cyn Channel

Good

Los Angeles County, California · 50 S/O West Channel RD · Structure no. 53C1065

Built
1940
85 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
44 ft
1 main span
Daily traffic
135
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Short ST over Santa Monica Cyn Channel is a concrete slab carrying Short ST over Santa Monica Cyn Channel in Los Angeles County, California. It was built in 1940, so it is 85 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 135 vehicles a day, roughly 1% of them trucks, projected to reach 178 by 2045. The structure is 44 ft (13.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesShort ST
CrossesSanta Monica Cyn Channel
Location50 S/O West Channel RD
RouteCity Street 0
Coordinates34.02897, -118.51744
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length44 ft (13.4 m)
Longest span40 ft (12.2 m)
Deck width40 ft (12.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2016)
Projected traffic178 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Short ST over Santa Monica Cyn Channel built?

It was built in 1940, making it 85 years old in 2025.

What condition is Short ST over Santa Monica Cyn 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 September 2024.

How much traffic does Short ST over Santa Monica Cyn Channel carry?

About 135 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Short ST over Santa Monica Cyn Channel?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 40 ft wide.

Who owns Short ST over Santa Monica Cyn Channel?

It is owned by the City or Municipal Highway Agency.