US Bridges

Walnut Hill RD #2 over Northfield Brook

Fair

Litchfield County, Connecticut · 200 East of Route 254 · Structure no. 05043

Built
1946
79 years old, rebuilt 2019
Condition
Fair
inspected March 2023
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
30
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Walnut Hill RD #2 over Northfield Brook is a prestressed concrete slab carrying Walnut Hill RD #2 over Northfield Brook in Litchfield County, Connecticut. It was built in 1946 and reconstructed in 2019, so it is 79 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 30 vehicles a day, roughly 2% of them trucks, projected to reach 45 by 2043. The structure is 40 ft (12.2 m) long and 19 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWalnut Hill RD #2
CrossesNorthfield Brook
Location200 East of Route 254
RouteCity Street 0
Coordinates41.67365, -73.0852
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span34 ft (10.4 m)
Deck width19 ft (5.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2043
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$965,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Walnut Hill RD #2 over Northfield Brook built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 2019.

What condition is Walnut Hill RD #2 over Northfield 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 March 2023.

How much traffic does Walnut Hill RD #2 over Northfield Brook carry?

About 30 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Walnut Hill RD #2 over Northfield Brook?

The structure is 40 ft (12.2 m) long with a longest span of 34 ft (10.4 m) and a deck 19 ft wide.

Who owns Walnut Hill RD #2 over Northfield Brook?

It is owned by the Town or Township Highway Agency.