US Bridges

INTERSTATE-691 EB over Reservoir Ave & Stream

Fair

New Haven County, Connecticut · 0.6 MI E of I 691 Exit 4 · Structure no. 01944

Built
1970
55 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
225 ft
3 main spans
Daily traffic
34,600
2021 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-691 EB over Reservoir Ave & Stream is a steel stringer/multi-beam or girder carrying INTERSTATE-691 EB over Reservoir Ave & Stream in New Haven County, Connecticut. It was built in 1970, so it is 55 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 34,600 vehicles a day, roughly 9% of them trucks, projected to reach 51,412 by 2041. The structure is 225 ft (68.6 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesINTERSTATE-691 EB
CrossesReservoir Ave & Stream
Location0.6 MI E of I 691 Exit 4
RouteInterstate 691
CountyNew Haven County
StateConnecticut
Coordinates41.54964, -72.82955
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span100 ft (30.5 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,600 (2021)
Projected traffic51,412 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 EB over Reservoir Ave & Stream built?

It was built in 1970, making it 55 years old in 2025.

What condition is INTERSTATE-691 EB over Reservoir Ave & Stream 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 March 2024.

How much traffic does INTERSTATE-691 EB over Reservoir Ave & Stream carry?

About 34,600 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is INTERSTATE-691 EB over Reservoir Ave & Stream?

The structure is 225 ft (68.6 m) long with a longest span of 100 ft (30.5 m) and a deck 44 ft wide.

Who owns INTERSTATE-691 EB over Reservoir Ave & Stream?

It is owned by the State Highway Agency.