US Bridges

State Route 61 over Airport Drive

Fair

Alameda County, California · 04-ALA-061-15.90-OAK · Structure no. 33 0660

Built
2001
24 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
206 ft
2 main spans
Daily traffic
22,800
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 61 over Airport Drive is a prestressed concrete continuous box beam or girders - multiple carrying State Route 61 over Airport Drive in Alameda 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 22,800 vehicles a day, roughly 5% of them trucks, projected to reach 26,209 by 2045. The structure is 206 ft (62.8 m) long and 141 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesState Route 61
CrossesAirport Drive
Location04-ALA-061-15.90-OAK
RouteState Highway 61
CountyAlameda County
StateCalifornia
Coordinates37.72619, -122.20031
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length206 ft (62.8 m)
Longest span113 ft (34.4 m)
Deck width141 ft (43 m)
Roadway width126 ft (38.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,800 (2019)
Projected traffic26,209 by 2045
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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 State Route 61 over Airport Drive built?

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

What condition is State Route 61 over Airport Drive 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 March 2023.

How much traffic does State Route 61 over Airport Drive carry?

About 22,800 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is State Route 61 over Airport Drive?

The structure is 206 ft (62.8 m) long with a longest span of 113 ft (34.4 m) and a deck 141 ft wide.

Who owns State Route 61 over Airport Drive?

It is owned by the State Highway Agency.