US Bridges

INTERSTATE-84 over Market Street & I-91 NB

Fair

Hartford County, Connecticut · East End I-91 & I-84 Int · Structure no. 01686A

Built
1961
64 years old, rebuilt 1992
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
870 ft
14 main spans
Daily traffic
83,600
2021 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-84 over Market Street & I-91 NB is a steel stringer/multi-beam or girder carrying INTERSTATE-84 over Market Street & I-91 NB in Hartford County, Connecticut. It was built in 1961 and reconstructed in 1992, so it is 64 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 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 83,600 vehicles a day, roughly 14% of them trucks, projected to reach 124,221 by 2041. The structure is 870 ft (265.1 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesINTERSTATE-84
CrossesMarket Street & I-91 NB
LocationEast End I-91 & I-84 Int
RouteInterstate 84
Coordinates41.76956, -72.6697
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.4 US tons
Inventory rating55.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans14
Design loadH 20
Structure length870 ft (265.1 m)
Longest span73 ft (22.3 m)
Deck width68 ft (20.6 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic83,600 (2021)
Projected traffic124,221 by 2041
Trucks14%
Lanes on structure4
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-84 over Market Street & I-91 NB built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1992.

What condition is INTERSTATE-84 over Market Street & I-91 NB 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 July 2024.

How much traffic does INTERSTATE-84 over Market Street & I-91 NB carry?

About 83,600 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is INTERSTATE-84 over Market Street & I-91 NB?

The structure is 870 ft (265.1 m) long with a longest span of 73 ft (22.3 m) and a deck 68 ft wide.

Who owns INTERSTATE-84 over Market Street & I-91 NB?

It is owned by the State Highway Agency.