US Bridges

Interstate 710 over Miller Way

Good

Los Angeles County, California · 07-LA-710-17.68-SGT · Structure no. 53 0830

Built
1957
68 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
223,000
2017 count
Owner
State
State Highway Agency

About this bridge

Interstate 710 over Miller Way is a concrete slab carrying Interstate 710 over Miller Way in Los Angeles County, California. It was built in 1957, so it is 68 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 223,000 vehicles a day, roughly 14% of them trucks, projected to reach 234,092 by 2041. The structure is 35 ft (10.7 m) long and 176 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 710
CrossesMiller Way
Location07-LA-710-17.68-SGT
RouteInterstate 710
Coordinates33.93881, -118.17179
Functional classUrban Principal Arterial - Interstate

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating73.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span31 ft (9.4 m)
Deck width176 ft (53.5 m)
Roadway width128 ft (39 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic223,000 (2017)
Projected traffic234,092 by 2041
Trucks14%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Interstate 710 over Miller Way built?

It was built in 1957, making it 68 years old in 2025.

What condition is Interstate 710 over Miller Way 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 May 2024.

How much traffic does Interstate 710 over Miller Way carry?

About 223,000 vehicles per day (2017 count), of which roughly 14% are trucks.

How long is Interstate 710 over Miller Way?

The structure is 35 ft (10.7 m) long with a longest span of 31 ft (9.4 m) and a deck 176 ft wide.

Who owns Interstate 710 over Miller Way?

It is owned by the State Highway Agency.