US Bridges

Don Julian RD over Storm Drn Bond Issue 528

Good

Los Angeles County, California · 0.2MI W/O Basetdale Ave · Structure no. 53C1473

Built
1963
62 years old, rebuilt 1974
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
7,312
2017 count
Owner
County
County Highway Agency

About this bridge

Don Julian RD over Storm Drn Bond Issue 528 is a concrete culvert carrying Don Julian RD over Storm Drn Bond Issue 528 in Los Angeles County, California. It was built in 1963 and reconstructed in 1974, so it is 62 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,312 vehicles a day, roughly 1% of them trucks, projected to reach 8,409 by 2043. The structure is 21 ft (6.4 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDon Julian RD
CrossesStorm Drn Bond Issue 528
Location0.2MI W/O Basetdale Ave
RouteCounty Highway 0
Coordinates34.04514, -118.00379
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width51 ft (15.6 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,312 (2017)
Projected traffic8,409 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Don Julian RD over Storm Drn Bond Issue 528 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1974.

What condition is Don Julian RD over Storm Drn Bond Issue 528 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 2024.

How much traffic does Don Julian RD over Storm Drn Bond Issue 528 carry?

About 7,312 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Don Julian RD over Storm Drn Bond Issue 528?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 51 ft wide.

Who owns Don Julian RD over Storm Drn Bond Issue 528?

It is owned by the County Highway Agency.