US Bridges

Mills Ave over Interstate 210

Fair

Los Angeles County, California · 07-LA-210-R51.21-CLA · Structure no. 53 2874

Built
2001
24 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
252 ft
2 main spans
Daily traffic
1,500
2015 count
Owner
State
State Highway Agency

About this bridge

Mills Ave over Interstate 210 is a prestressed concrete continuous box beam or girders - multiple carrying Mills Ave over Interstate 210 in Los Angeles County, California. It was built in 2001, so it is 24 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,500 vehicles a day, roughly 2% of them trucks, projected to reach 2,103 by 2042. The structure is 252 ft (76.8 m) long and 104 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMills Ave
CrossesInterstate 210
Location07-LA-210-R51.21-CLA
RouteCity Street Q0982
Coordinates34.12033, -117.70732
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length252 ft (76.8 m)
Longest span129 ft (39.2 m)
Deck width104 ft (31.8 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2015)
Projected traffic2,103 by 2042
Trucks2%
Lanes on structure4
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

OwnerState Highway Agency
Maintained byState 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 Mills Ave over Interstate 210 built?

It was built in 2001, making it 24 years old in 2025.

What condition is Mills Ave over Interstate 210 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does Mills Ave over Interstate 210 carry?

About 1,500 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Mills Ave over Interstate 210?

The structure is 252 ft (76.8 m) long with a longest span of 129 ft (39.2 m) and a deck 104 ft wide.

Who owns Mills Ave over Interstate 210?

It is owned by the State Highway Agency.