US Bridges

Wintergreen Avenue over Route 15

Fair

New Haven County, Connecticut · 1.5 MI South of RTE 10 · Structure no. 00776

Built
1949
76 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
109 ft
2 main spans
Daily traffic
1,400
2021 count
Owner
State
State Highway Agency

About this bridge

Wintergreen Avenue over Route 15 is a steel continuous stringer/multi-beam or girder carrying Wintergreen Avenue over Route 15 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 5 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 1,400 vehicles a day, roughly 5% of them trucks, projected to reach 2,080 by 2041. The structure is 109 ft (33.2 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWintergreen Avenue
CrossesRoute 15
Location1.5 MI South of RTE 10
RouteCity Street 0
CountyNew Haven County
StateConnecticut
Coordinates41.35596, -72.94718
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating71.7 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length109 ft (33.2 m)
Longest span53 ft (16.2 m)
Deck width53 ft (16.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2021)
Projected traffic2,080 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wintergreen Avenue over Route 15 built?

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

What condition is Wintergreen Avenue over Route 15 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 August 2023.

How much traffic does Wintergreen Avenue over Route 15 carry?

About 1,400 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Wintergreen Avenue over Route 15?

The structure is 109 ft (33.2 m) long with a longest span of 53 ft (16.2 m) and a deck 53 ft wide.

Who owns Wintergreen Avenue over Route 15?

It is owned by the State Highway Agency.