US Bridges

Towne Ave over Chino Crk

Good

Los Angeles County, California · 0.4MI S/O SR-60 Fwy · Structure no. 53C0779

Built
1968
57 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
48 ft
3 main spans
Daily traffic
8,900
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Towne Ave over Chino Crk is a concrete culvert carrying Towne Ave over Chino Crk in Los Angeles County, California. It was built in 1968, so it is 57 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 8,900 vehicles a day, roughly 3% of them trucks, projected to reach 10,186 by 2041. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTowne Ave
CrossesChino Crk
Location0.4MI S/O SR-60 Fwy
RouteCity Street 0L646
Coordinates34.01941, -117.73965
Functional classUrban Other Principal Arterial

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.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 spans3
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,900 (2013)
Projected traffic10,186 by 2041
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Towne Ave over Chino Crk built?

It was built in 1968, making it 57 years old in 2025.

What condition is Towne Ave over Chino Crk 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 October 2021.

How much traffic does Towne Ave over Chino Crk carry?

About 8,900 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is Towne Ave over Chino Crk?

The structure is 48 ft (14.6 m) long with a longest span of 11 ft (3.4 m).

Who owns Towne Ave over Chino Crk?

It is owned by the City or Municipal Highway Agency.