US Bridges

INTERSTATE-91 SB over I-91 TR 801 & SR 724 EB

Good

New Haven County, Connecticut · At JCT of RTE I 91 & I 95 · Structure no. 03032

Built
1965
60 years old, rebuilt 2016
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
2 main spans
Daily traffic
32,200
2023 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-91 SB over I-91 TR 801 & SR 724 EB is a steel continuous stringer/multi-beam or girder carrying INTERSTATE-91 SB over I-91 TR 801 & SR 724 EB in New Haven County, Connecticut. It was built in 1965 and reconstructed in 2016, so it is 60 years old, older 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 32,200 vehicles a day, roughly 8% of them trucks, projected to reach 47,846 by 2043. The structure is 250 ft (76.3 m) long and 47 ft wide.

CarriesINTERSTATE-91 SB
CrossesI-91 TR 801 & SR 724 EB
LocationAt JCT of RTE I 91 & I 95
RouteInterstate 91
Coordinates41.29958, -72.91609
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 inspectionSeptember 2024
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 rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length250 ft (76.3 m)
Longest span121 ft (37 m)
Deck width47 ft (14.3 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deck22 ft (6.8 m)

Traffic and service

Average daily traffic32,200 (2023)
Projected traffic47,846 by 2043
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 I-91 TR 801 & SR 724 EB built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2016.

What condition is INTERSTATE-91 SB over I-91 TR 801 & SR 724 EB 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 September 2024.

How much traffic does INTERSTATE-91 SB over I-91 TR 801 & SR 724 EB carry?

About 32,200 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is INTERSTATE-91 SB over I-91 TR 801 & SR 724 EB?

The structure is 250 ft (76.3 m) long with a longest span of 121 ft (37 m) and a deck 47 ft wide.

Who owns INTERSTATE-91 SB over I-91 TR 801 & SR 724 EB?

It is owned by the State Highway Agency.