US Bridges

Route 15 over SR 717 (dixwell Ave)

FairPosted for load

New Haven County, Connecticut · 0.7 MI S of Route 40 · Structure no. 00784

Built
1946
79 years old, rebuilt 1989
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
68,600
2022 count
Owner
State
State Highway Agency

About this bridge

Route 15 over SR 717 (dixwell Ave) is a steel stringer/multi-beam or girder carrying Route 15 over SR 717 (dixwell Ave) in New Haven County, Connecticut. It was built in 1946 and reconstructed in 1989, so it is 79 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 68,600 vehicles a day, roughly 1% of them trucks, projected to reach 101,933 by 2042. The structure is 71 ft (21.6 m) long and 74 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRoute 15
CrossesSR 717 (dixwell Ave)
Location0.7 MI S of Route 40
RouteState Highway 15
Coordinates41.38293, -72.89733
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.5 US tons
Inventory rating81.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span65 ft (19.8 m)
Deck width74 ft (22.7 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68,600 (2022)
Projected traffic101,933 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 SR 717 (dixwell Ave) built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1989.

What condition is Route 15 over SR 717 (dixwell Ave) 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 October 2024.

How much traffic does Route 15 over SR 717 (dixwell Ave) carry?

About 68,600 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Route 15 over SR 717 (dixwell Ave)?

The structure is 71 ft (21.6 m) long with a longest span of 65 ft (19.8 m) and a deck 74 ft wide.

Who owns Route 15 over SR 717 (dixwell Ave)?

It is owned by the State Highway Agency.