US Bridges

INTERSTATE-91 NB over Middletown Avenue

Fair

Hartford County, Connecticut · Approx 1 M So of Route 3 · Structure no. 01453

Built
1964
61 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
202 ft
3 main spans
Daily traffic
71,500
2019 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-91 NB over Middletown Avenue is a steel stringer/multi-beam or girder carrying INTERSTATE-91 NB over Middletown Avenue in Hartford County, Connecticut. It was built in 1964, 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 71,500 vehicles a day, roughly 14% of them trucks, projected to reach 106,242 by 2039. The structure is 202 ft (61.6 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesINTERSTATE-91 NB
CrossesMiddletown Avenue
LocationApprox 1 M So of Route 3
RouteInterstate 91
CountyHartford County
StateConnecticut
Coordinates41.68685, -72.64989
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.3 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span86 ft (26.2 m)
Deck width69 ft (20.9 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71,500 (2019)
Projected traffic106,242 by 2039
Trucks14%
Lanes on structure4
Traffic directionOne-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-91 NB over Middletown Avenue built?

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

What condition is INTERSTATE-91 NB over Middletown 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 April 2023.

How much traffic does INTERSTATE-91 NB over Middletown Avenue carry?

About 71,500 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is INTERSTATE-91 NB over Middletown Avenue?

The structure is 202 ft (61.6 m) long with a longest span of 86 ft (26.2 m) and a deck 69 ft wide.

Who owns INTERSTATE-91 NB over Middletown Avenue?

It is owned by the State Highway Agency.