US Bridges

Interstate 210 over Glendora Avenue

Fair

Los Angeles County, California · 07-LA-210-R42.10-GDR · Structure no. 53 2072

Built
1970
55 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
157 ft
1 main span
Daily traffic
250,000
2015 count
Owner
State
State Highway Agency

About this bridge

Interstate 210 over Glendora Avenue is a prestressed concrete box beam or girders - multiple carrying Interstate 210 over Glendora Avenue in Los Angeles County, California. It was built in 1970, so it is 55 years old, older 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 250,000 vehicles a day, projected to reach 231,417 by 2042. The structure is 157 ft (47.9 m) long and 148 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInterstate 210
CrossesGlendora Avenue
Location07-LA-210-R42.10-GDR
RouteInterstate 210
CountyLos Angeles County
StateCalifornia
Coordinates34.11784, -117.86467
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 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 rating70 US tons
Inventory rating45.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span153 ft (46.6 m)
Deck width148 ft (45.1 m)
Roadway width144 ft (43.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250,000 (2015)
Projected traffic231,417 by 2042
Trucks0%
Lanes on structure10
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 210 over Glendora Avenue built?

It was built in 1970, making it 55 years old in 2025.

What condition is Interstate 210 over Glendora Avenue 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 February 2025.

How much traffic does Interstate 210 over Glendora Avenue carry?

About 250,000 vehicles per day (2015 count).

How long is Interstate 210 over Glendora Avenue?

The structure is 157 ft (47.9 m) long with a longest span of 153 ft (46.6 m) and a deck 148 ft wide.

Who owns Interstate 210 over Glendora Avenue?

It is owned by the State Highway Agency.