US Bridges

Green Hill Road over Neck River

Fair

New Haven County, Connecticut · 1.1 MI W of Route 79 · Structure no. 06059

Built
1983
42 years old
Condition
Fair
inspected May 2023
Type
Frame
Concrete
Length
34 ft
2 main spans
Daily traffic
2,996
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Green Hill Road over Neck River is a concrete frame carrying Green Hill Road over Neck River in New Haven County, Connecticut. It was built in 1983, so it is 42 years old, younger 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.

It carries about 2,996 vehicles a day, roughly 7% of them trucks, projected to reach 4,452 by 2043. The structure is 34 ft (10.4 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGreen Hill Road
CrossesNeck River
Location1.1 MI W of Route 79
RouteCity Street 0
CountyNew Haven County
StateConnecticut
Coordinates41.2959, -72.62319
Functional classUrban Collector

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckOther
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span16 ft (4.9 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,996 (2023)
Projected traffic4,452 by 2043
Trucks7%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Green Hill Road over Neck River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Green Hill Road over Neck River 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 Green Hill Road over Neck River carry?

About 2,996 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Green Hill Road over Neck River?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.9 m) and a deck 32 ft wide.

Who owns Green Hill Road over Neck River?

It is owned by the Town or Township Highway Agency.