US Bridges

Interstate 691 Eas over Quinnipiac River

Fair

Hartford County, Connecticut · 50 Ft East of Cheshire Tl · Structure no. 05330

Built
1984
41 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Steel
Length
177 ft
1 main span
Daily traffic
30,800
2021 count
Owner
State
State Highway Agency

About this bridge

Interstate 691 Eas over Quinnipiac River is a steel box beam or girders - single or spread carrying Interstate 691 Eas over Quinnipiac River in Hartford County, Connecticut. It was built in 1984, so it is 41 years old, younger 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 6 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 30,800 vehicles a day, roughly 9% of them trucks, projected to reach 45,766 by 2041. The structure is 177 ft (53.9 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 691 Eas
CrossesQuinnipiac River
Location50 Ft East of Cheshire Tl
RouteInterstate 691
Coordinates41.55525, -72.87174
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating63.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length177 ft (53.9 m)
Longest span170 ft (51.8 m)
Deck width50 ft (15.2 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,800 (2021)
Projected traffic45,766 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 691 Eas over Quinnipiac River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Interstate 691 Eas over Quinnipiac River 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 September 2023.

How much traffic does Interstate 691 Eas over Quinnipiac River carry?

About 30,800 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Interstate 691 Eas over Quinnipiac River?

The structure is 177 ft (53.9 m) long with a longest span of 170 ft (51.8 m) and a deck 50 ft wide.

Who owns Interstate 691 Eas over Quinnipiac River?

It is owned by the State Highway Agency.