US Bridges

North Main Street over Poland River

Fair

Litchfield County, Connecticut · 100 Ft West of RTE 72 · Structure no. 01670

Built
2017
8 years old
Condition
Fair
inspected October 2023
Type
Slab
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
2,809
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

North Main Street over Poland River is a prestressed concrete slab carrying North Main Street over Poland River in Litchfield County, Connecticut. It was built in 2017, so it is 8 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 2,809 vehicles a day, roughly 3% of them trucks, projected to reach 4,174 by 2043. The structure is 42 ft (12.7 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNorth Main Street
CrossesPoland River
Location100 Ft West of RTE 72
RouteCity Street 0
Coordinates41.68946, -73.00218
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length42 ft (12.7 m)
Longest span37 ft (11.4 m)
Deck width39 ft (12 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,809 (2023)
Projected traffic4,174 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was North Main Street over Poland River built?

It was built in 2017, making it 8 years old in 2025.

What condition is North Main Street over Poland 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 October 2023.

How much traffic does North Main Street over Poland River carry?

About 2,809 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is North Main Street over Poland River?

The structure is 42 ft (12.7 m) long with a longest span of 37 ft (11.4 m) and a deck 39 ft wide.

Who owns North Main Street over Poland River?

It is owned by the Town or Township Highway Agency.