US Bridges

US Route 44 over Mill Brook

Fair

Litchfield County, Connecticut · 1.3 MI East Colebrook Tl · Structure no. 00969

Built
1934
91 years old, rebuilt 1986
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
36 ft
1 main span
Daily traffic
5,200
2021 count
Owner
State
State Highway Agency

About this bridge

US Route 44 over Mill Brook is a concrete tee beam carrying US Route 44 over Mill Brook in Litchfield County, Connecticut. It was built in 1934 and reconstructed in 1986, so it is 91 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 5 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 5,200 vehicles a day, roughly 10% of them trucks, projected to reach 7,727 by 2041. The structure is 36 ft (11 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS Route 44
CrossesMill Brook
Location1.3 MI East Colebrook Tl
RouteU.S. Route 44
Coordinates41.94442, -73.11261
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2021)
Projected traffic7,727 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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 US Route 44 over Mill Brook built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1986.

What condition is US Route 44 over Mill 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 September 2023.

How much traffic does US Route 44 over Mill Brook carry?

About 5,200 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is US Route 44 over Mill Brook?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 43 ft wide.

Who owns US Route 44 over Mill Brook?

It is owned by the State Highway Agency.