US Bridges

Route 15 over Connolly Pkwy

FairPosted for load

New Haven County, Connecticut · 0.2 MI N of Route 10 · Structure no. 00782

Built
1948
77 years old, rebuilt 1999
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
574 ft
5 main spans
Daily traffic
69,700
2022 count
Owner
State
State Highway Agency

About this bridge

Route 15 over Connolly Pkwy is a steel stringer/multi-beam or girder carrying Route 15 over Connolly Pkwy in New Haven County, Connecticut. It was built in 1948 and reconstructed in 1999, so it is 77 years old, older 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. Its operating status is: posted for other load-capacity restriction.

It carries about 69,700 vehicles a day, roughly 1% of them trucks, projected to reach 103,567 by 2042. The structure is 574 ft (175 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 15
CrossesConnolly Pkwy
Location0.2 MI N of Route 10
RouteState Highway 15
Coordinates41.36638, -72.91846
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length574 ft (175 m)
Longest span112 ft (34.1 m)
Deck width86 ft (26.1 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69,700 (2022)
Projected traffic103,567 by 2042
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Route 15 over Connolly Pkwy built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1999.

What condition is Route 15 over Connolly Pkwy 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 Route 15 over Connolly Pkwy carry?

About 69,700 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Route 15 over Connolly Pkwy?

The structure is 574 ft (175 m) long with a longest span of 112 ft (34.1 m) and a deck 86 ft wide.

Who owns Route 15 over Connolly Pkwy?

It is owned by the State Highway Agency.