US Bridges

Route 15 NB over Wintergreen Ave & Brook

FairPosted for load

New Haven County, Connecticut · 0.7 MI N of Route 69 · Structure no. 00774A

Built
1949
76 years old
Condition
Fair
inspected May 2023
Type
Frame
Concrete
Length
70 ft
1 main span
Daily traffic
39,400
2019 count
Owner
State
State Highway Agency

About this bridge

Route 15 NB over Wintergreen Ave & Brook is a concrete frame carrying Route 15 NB over Wintergreen Ave & Brook in New Haven County, Connecticut. It was built in 1949, so it is 76 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 39,400 vehicles a day, roughly 1% of them trucks, projected to reach 58,544 by 2039. The structure is 70 ft (21.3 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 15 NB
CrossesWintergreen Ave & Brook
Location0.7 MI N of Route 69
RouteState Highway 15
Coordinates41.34688, -72.96794
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
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating34.9 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width39 ft (11.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,400 (2019)
Projected traffic58,544 by 2039
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 15 NB over Wintergreen Ave & Brook built?

It was built in 1949, making it 76 years old in 2025.

What condition is Route 15 NB over Wintergreen Ave & Brook 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 May 2023.

How much traffic does Route 15 NB over Wintergreen Ave & Brook carry?

About 39,400 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Route 15 NB over Wintergreen Ave & Brook?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 39 ft wide.

Who owns Route 15 NB over Wintergreen Ave & Brook?

It is owned by the State Highway Agency.