US Bridges

Connelly Parkway over Mill River

PoorPosted for load

New Haven County, Connecticut · 0.2 MI E of Route 10 · Structure no. 04293

Built
1940
85 years old
Condition
Poor
inspected October 2023
Type
Tee Beam
Concrete
Length
83 ft
2 main spans
Daily traffic
2,900
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Connelly Parkway over Mill River is a concrete tee beam carrying Connelly Parkway over Mill River in New Haven County, Connecticut. It was built in 1940, so it is 85 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 2,900 vehicles a day, roughly 4% of them trucks, projected to reach 4,309 by 2041. The structure is 83 ft (25.3 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesConnelly Parkway
CrossesMill River
Location0.2 MI E of Route 10
RouteCity Street 0
Coordinates41.36598, -72.91703
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating33.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length83 ft (25.3 m)
Longest span40 ft (12.2 m)
Deck width46 ft (14.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2021)
Projected traffic4,309 by 2041
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

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 Connelly Parkway over Mill River built?

It was built in 1940, making it 85 years old in 2025.

What condition is Connelly Parkway over Mill River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Connelly Parkway over Mill River carry?

About 2,900 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Connelly Parkway over Mill River?

The structure is 83 ft (25.3 m) long with a longest span of 40 ft (12.2 m) and a deck 46 ft wide.

Who owns Connelly Parkway over Mill River?

It is owned by the Town or Township Highway Agency.