US Bridges

SR 724 Westbound over Interstate 91 & US 1

Good

New Haven County, Connecticut · 0.2 MI N of Route 34 · Structure no. 00173

Built
2016
9 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,100 ft
6 main spans
Daily traffic
15,200
2021 count
Owner
State
State Highway Agency

About this bridge

SR 724 Westbound over Interstate 91 & US 1 is a steel continuous stringer/multi-beam or girder carrying SR 724 Westbound over Interstate 91 & US 1 in New Haven County, Connecticut. It was built in 2016, so it is 9 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 15,200 vehicles a day, roughly 9% of them trucks, projected to reach 22,586 by 2041. The structure is 1,100 ft (335.3 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR 724 Westbound
CrossesInterstate 91 & US 1
Location0.2 MI N of Route 34
RouteState Highway 724
Coordinates41.30044, -72.91598
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating46.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length1,100 ft (335.3 m)
Longest span262 ft (80 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,200 (2021)
Projected traffic22,586 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 SR 724 Westbound over Interstate 91 & US 1 built?

It was built in 2016, making it 9 years old in 2025.

What condition is SR 724 Westbound over Interstate 91 & US 1 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 May 2023.

How much traffic does SR 724 Westbound over Interstate 91 & US 1 carry?

About 15,200 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is SR 724 Westbound over Interstate 91 & US 1?

The structure is 1,100 ft (335.3 m) long with a longest span of 262 ft (80 m) and a deck 43 ft wide.

Who owns SR 724 Westbound over Interstate 91 & US 1?

It is owned by the State Highway Agency.