US Bridges

Hemlock Road over Clapboard Oak Brook

Fair

Litchfield County, Connecticut · 0.8MI W of Int RTE133&867 · Structure no. 06127

Built
1950
75 years old, rebuilt 2019
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
136
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Hemlock Road over Clapboard Oak Brook is a concrete culvert carrying Hemlock Road over Clapboard Oak Brook in Litchfield County, Connecticut. It was built in 1950 and reconstructed in 2019, so it is 75 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 136 vehicles a day, roughly 7% of them trucks, projected to reach 202 by 2044. The structure is 22 ft (6.7 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesHemlock Road
CrossesClapboard Oak Brook
Location0.8MI W of Int RTE133&867
RouteCity Street 0
CountyLitchfield County
StateConnecticut
Coordinates41.53251, -73.38064
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width23 ft (6.9 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic136 (2024)
Projected traffic202 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hemlock Road over Clapboard Oak Brook built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2019.

What condition is Hemlock Road over Clapboard Oak 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 April 2024.

How much traffic does Hemlock Road over Clapboard Oak Brook carry?

About 136 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Hemlock Road over Clapboard Oak Brook?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m) and a deck 23 ft wide.

Who owns Hemlock Road over Clapboard Oak Brook?

It is owned by the Town or Township Highway Agency.