US Bridges

Interstate 91 NB over SR 724 Eastbound

Good

New Haven County, Connecticut · At I-95/I-91/RTE 34 Inter · Structure no. 06609

Built
2015
10 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
254 ft
1 main span
Daily traffic
28,800
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 91 NB over SR 724 Eastbound is a steel stringer/multi-beam or girder carrying Interstate 91 NB over SR 724 Eastbound in New Haven County, Connecticut. It was built in 2015, so it is 10 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 28,800 vehicles a day, roughly 14% of them trucks, projected to reach 42,794 by 2040. The structure is 254 ft (77.4 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesInterstate 91 NB
CrossesSR 724 Eastbound
LocationAt I-95/I-91/RTE 34 Inter
RouteInterstate 91
Coordinates41.29956, -72.91461
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 2023
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 alignment6: Equal to present minimum criteria
Operating rating97 US tons
Inventory rating58 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length254 ft (77.4 m)
Longest span248 ft (75.5 m)
Deck width47 ft (14.3 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,800 (2020)
Projected traffic42,794 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 SR 724 Eastbound built?

It was built in 2015, making it 10 years old in 2025.

What condition is Interstate 91 NB over SR 724 Eastbound 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 2023.

How much traffic does Interstate 91 NB over SR 724 Eastbound carry?

About 28,800 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is Interstate 91 NB over SR 724 Eastbound?

The structure is 254 ft (77.4 m) long with a longest span of 248 ft (75.5 m) and a deck 47 ft wide.

Who owns Interstate 91 NB over SR 724 Eastbound?

It is owned by the State Highway Agency.