US Bridges

Bunnell Street over Loon Brook

Fair

Litchfield County, Connecticut · 1 MI North of Route 182A · Structure no. 05147

Built
2010
15 years old
Condition
Fair
inspected January 2023
Type
Frame
Concrete
Length
34 ft
1 main span
Daily traffic
110
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Bunnell Street over Loon Brook is a concrete frame carrying Bunnell Street over Loon Brook in Litchfield County, Connecticut. It was built in 2010, so it is 15 years old, younger 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 110 vehicles a day, roughly 4% of them trucks, projected to reach 163 by 2043. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBunnell Street
CrossesLoon Brook
Location1 MI North of Route 182A
RouteCity Street 0
Coordinates41.99994, -73.11593
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.8 US tons
Inventory rating41.2 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2023)
Projected traffic163 by 2043
Trucks4%
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

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 Bunnell Street over Loon Brook built?

It was built in 2010, making it 15 years old in 2025.

What condition is Bunnell Street over Loon 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 2023.

How much traffic does Bunnell Street over Loon Brook carry?

About 110 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Bunnell Street over Loon Brook?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns Bunnell Street over Loon Brook?

It is owned by the Town or Township Highway Agency.