US Bridges

Bank Street over Naugatuck River

Fair

New Haven County, Connecticut · 200 Ft South W.Liberty ST · Structure no. 04167

Built
1956
69 years old, rebuilt 1990
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
180 ft
3 main spans
Daily traffic
11,800
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bank Street over Naugatuck River is a steel stringer/multi-beam or girder carrying Bank Street over Naugatuck River in New Haven County, Connecticut. It was built in 1956 and reconstructed in 1990, so it is 69 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.

It carries about 11,800 vehicles a day, roughly 9% of them trucks, projected to reach 17,534 by 2043. The structure is 180 ft (55 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBank Street
CrossesNaugatuck River
Location200 Ft South W.Liberty ST
RouteCity Street 0
Coordinates41.54706, -73.04352
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length180 ft (55 m)
Longest span67 ft (20.5 m)
Deck width52 ft (15.9 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,800 (2023)
Projected traffic17,534 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Bank Street over Naugatuck River built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1990.

What condition is Bank Street over Naugatuck 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 November 2024.

How much traffic does Bank Street over Naugatuck River carry?

About 11,800 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Bank Street over Naugatuck River?

The structure is 180 ft (55 m) long with a longest span of 67 ft (20.5 m) and a deck 52 ft wide.

Who owns Bank Street over Naugatuck River?

It is owned by the City or Municipal Highway Agency.