US Bridges

INTERSTATE-91 SB over Weston Street

Good

Hartford County, Connecticut · 0.3 Mile South of RTE 159 · Structure no. 05995

Built
1991
34 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
87 ft
1 main span
Daily traffic
68,400
2019 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-91 SB over Weston Street is a steel stringer/multi-beam or girder carrying INTERSTATE-91 SB over Weston Street in Hartford County, Connecticut. It was built in 1991, so it is 34 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 68,400 vehicles a day, roughly 14% of them trucks, projected to reach 101,636 by 2039. The structure is 87 ft (26.5 m) long and 102 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesINTERSTATE-91 SB
CrossesWeston Street
Location0.3 Mile South of RTE 159
RouteInterstate 91
Coordinates41.8005, -72.65545
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating64.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span83 ft (25.3 m)
Deck width102 ft (31.2 m)
Roadway width97 ft (29.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68,400 (2019)
Projected traffic101,636 by 2039
Trucks14%
Lanes on structure5
Traffic directionOne-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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was INTERSTATE-91 SB over Weston Street built?

It was built in 1991, making it 34 years old in 2025.

What condition is INTERSTATE-91 SB over Weston Street in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does INTERSTATE-91 SB over Weston Street carry?

About 68,400 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is INTERSTATE-91 SB over Weston Street?

The structure is 87 ft (26.5 m) long with a longest span of 83 ft (25.3 m) and a deck 102 ft wide.

Who owns INTERSTATE-91 SB over Weston Street?

It is owned by the State Highway Agency.