US Bridges

Wilmot Road over Wintergreen Brook

Fair

New Haven County, Connecticut · .1 MI N Wintergreen Ave · Structure no. 04891

Built
1951
74 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
23 ft
3 main spans
Daily traffic
1,382
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wilmot Road over Wintergreen Brook is a concrete continuous culvert carrying Wilmot Road over Wintergreen Brook in New Haven County, Connecticut. It was built in 1951, so it is 74 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 1,382 vehicles a day, roughly 4% of them trucks, projected to reach 2,054 by 2043. The structure is 23 ft (7 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWilmot Road
CrossesWintergreen Brook
Location.1 MI N Wintergreen Ave
RouteCity Street 0
Coordinates41.33997, -72.95767
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckOther
Main spans3
Design loadUnknown
Structure length23 ft (7 m)
Longest span7 ft (2.1 m)
Deck width60 ft (18.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,382 (2023)
Projected traffic2,054 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Wilmot Road over Wintergreen Brook built?

It was built in 1951, making it 74 years old in 2025.

What condition is Wilmot Road over Wintergreen 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 June 2023.

How much traffic does Wilmot Road over Wintergreen Brook carry?

About 1,382 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Wilmot Road over Wintergreen Brook?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m) and a deck 60 ft wide.

Who owns Wilmot Road over Wintergreen Brook?

It is owned by the City or Municipal Highway Agency.