US Bridges

Pothier Road over Nickel Mine Brook

Fair

Litchfield County, Connecticut · 0.5 Mile North of Route 4 · Structure no. 06072

Built
1910
115 years old, rebuilt 1991
Condition
Fair
inspected May 2024
Type
Slab
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
390
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pothier Road over Nickel Mine Brook is a prestressed concrete slab carrying Pothier Road over Nickel Mine Brook in Litchfield County, Connecticut. It was built in 1910 and reconstructed in 1991, so it is 115 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 390 vehicles a day, roughly 7% of them trucks, projected to reach 580 by 2044. The structure is 29 ft (8.8 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPothier Road
CrossesNickel Mine Brook
Location0.5 Mile North of Route 4
RouteCity Street 0
Coordinates41.83395, -73.17822
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width23 ft (7 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2024)
Projected traffic580 by 2044
Trucks7%
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

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 Pothier Road over Nickel Mine Brook built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1991.

What condition is Pothier Road over Nickel Mine 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 May 2024.

How much traffic does Pothier Road over Nickel Mine Brook carry?

About 390 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Pothier Road over Nickel Mine Brook?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 23 ft wide.

Who owns Pothier Road over Nickel Mine Brook?

It is owned by the City or Municipal Highway Agency.