US Bridges

First ST over Towne Ave

Good

Los Angeles County, California · 0.3MI S/O Holt Ave · Structure no. 53C0918

Built
1959
66 years old
Condition
Good
inspected March 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
102 ft
2 main spans
Daily traffic
5,610
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

First ST over Towne Ave is a prestressed concrete stringer/multi-beam or girder carrying First ST over Towne Ave in Los Angeles County, California. It was built in 1959, so it is 66 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 5,610 vehicles a day, roughly 2% of them trucks, projected to reach 6,452 by 2041. The structure is 102 ft (31.1 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFirst ST
CrossesTowne Ave
Location0.3MI S/O Holt Ave
RouteCity Street 0Q965
CountyLos Angeles County
StateCalifornia
Coordinates34.05887, -117.74162
Functional classUrban Minor Arterial

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.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span49 ft (14.9 m)
Deck width51 ft (15.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5,610 (2012)
Projected traffic6,452 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was First ST over Towne Ave built?

It was built in 1959, making it 66 years old in 2025.

What condition is First ST over Towne Ave 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 March 2021.

How much traffic does First ST over Towne Ave carry?

About 5,610 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is First ST over Towne Ave?

The structure is 102 ft (31.1 m) long with a longest span of 49 ft (14.9 m) and a deck 51 ft wide.

Who owns First ST over Towne Ave?

It is owned by the City or Municipal Highway Agency.