US Bridges

Old RTE 254-UPPER over Northfield Brook

Good

Litchfield County, Connecticut · 4.8 KM SW of Thomaston · Structure no. CEPNEDCT0910004

Built
1955
70 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
60
2023 count
Owner
Federal
Corps of Engineers (Civil)

About this bridge

Old RTE 254-UPPER over Northfield Brook is a steel stringer/multi-beam or girder carrying Old RTE 254-UPPER over Northfield Brook in Litchfield County, Connecticut. It was built in 1955, so it is 70 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, roughly 25% of them trucks, projected to reach 75 by 2040. The structure is 37 ft (11.4 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOld RTE 254-UPPER
CrossesNorthfield Brook
Location4.8 KM SW of Thomaston
RouteFederal Lands Road 0
Coordinates41.69166, -73.09737
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length37 ft (11.4 m)
Longest span31 ft (9.6 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2023)
Projected traffic75 by 2040
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCorps of Engineers (Civil)
Maintained byCorps of Engineers (Civil)
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old RTE 254-UPPER over Northfield Brook built?

It was built in 1955, making it 70 years old in 2025.

What condition is Old RTE 254-UPPER over Northfield Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Old RTE 254-UPPER over Northfield Brook carry?

About 60 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is Old RTE 254-UPPER over Northfield Brook?

The structure is 37 ft (11.4 m) long with a longest span of 31 ft (9.6 m) and a deck 43 ft wide.

Who owns Old RTE 254-UPPER over Northfield Brook?

It is owned by the Corps of Engineers (Civil).