US Bridges

INTERSTATE-91 over SR 530 (airport Road)

Fair

Hartford County, Connecticut · .2 MI West of Brainard RD · Structure no. 00480

Built
1964
61 years old, rebuilt 2022
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
110 ft
1 main span
Daily traffic
107,800
2022 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-91 over SR 530 (airport Road) is a steel stringer/multi-beam or girder carrying INTERSTATE-91 over SR 530 (airport Road) in Hartford County, Connecticut. It was built in 1964 and reconstructed in 2022, so it is 61 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 107,800 vehicles a day, roughly 14% of them trucks, projected to reach 160,180 by 2042. The structure is 110 ft (33.4 m) long and 138 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesINTERSTATE-91
CrossesSR 530 (airport Road)
Location.2 MI West of Brainard RD
RouteInterstate 91
CountyHartford County
StateConnecticut
Coordinates41.73864, -72.6643
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length110 ft (33.4 m)
Longest span105 ft (31.9 m)
Deck width138 ft (42.2 m)
Roadway width132 ft (40.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic107,800 (2022)
Projected traffic160,180 by 2042
Trucks14%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$19.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was INTERSTATE-91 over SR 530 (airport Road) built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2022.

What condition is INTERSTATE-91 over SR 530 (airport Road) 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 2024.

How much traffic does INTERSTATE-91 over SR 530 (airport Road) carry?

About 107,800 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is INTERSTATE-91 over SR 530 (airport Road)?

The structure is 110 ft (33.4 m) long with a longest span of 105 ft (31.9 m) and a deck 138 ft wide.

Who owns INTERSTATE-91 over SR 530 (airport Road)?

It is owned by the State Highway Agency.