US Bridges

Bel Air RD over Unnamed Creek

Good

Los Angeles County, California · Sunset Bl & ST Pierre RD · Structure no. 53C1099

Built
1923
102 years old, rebuilt 1928
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete
Length
25 ft
1 main span
Daily traffic
4,750
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bel Air RD over Unnamed Creek is a concrete tee beam carrying Bel Air RD over Unnamed Creek in Los Angeles County, California. It was built in 1923 and reconstructed in 1928, so it is 102 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 4,750 vehicles a day, roughly 1% of them trucks, projected to reach 7,585 by 2045. The structure is 25 ft (7.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBel Air RD
CrossesUnnamed Creek
LocationSunset Bl & ST Pierre RD
RouteCity Street 0
Coordinates34.08139, -118.43601
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating23.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length25 ft (7.6 m)
Longest span21 ft (6.5 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,750 (2016)
Projected traffic7,585 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 Bel Air RD over Unnamed Creek built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1928.

What condition is Bel Air RD over Unnamed Creek 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 Bel Air RD over Unnamed Creek carry?

About 4,750 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Bel Air RD over Unnamed Creek?

The structure is 25 ft (7.6 m) long with a longest span of 21 ft (6.5 m) and a deck 42 ft wide.

Who owns Bel Air RD over Unnamed Creek?

It is owned by the City or Municipal Highway Agency.