US Bridges

Route 126 over Flat Brook

Fair

Litchfield County, Connecticut · 03 MI N of RTE 63 JCT · Structure no. 03174

Built
1965
60 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
1,500
2021 count
Owner
State
State Highway Agency

About this bridge

Route 126 over Flat Brook is a concrete continuous culvert carrying Route 126 over Flat Brook in Litchfield County, Connecticut. It was built in 1965, so it is 60 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 1,500 vehicles a day, roughly 5% of them trucks, projected to reach 2,229 by 2041. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRoute 126
CrossesFlat Brook
Location03 MI N of RTE 63 JCT
RouteState Highway 126
Coordinates41.94767, -73.32043
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2021)
Projected traffic2,229 by 2041
Trucks5%
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

OwnerState Highway Agency
Maintained byState 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 Route 126 over Flat Brook built?

It was built in 1965, making it 60 years old in 2025.

What condition is Route 126 over Flat 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 January 2024.

How much traffic does Route 126 over Flat Brook carry?

About 1,500 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Route 126 over Flat Brook?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.3 m).

Who owns Route 126 over Flat Brook?

It is owned by the State Highway Agency.