US Bridges

Route 341 over Bog Hollow Brook

Good

Litchfield County, Connecticut · 500 E of Macedonia Bk RD · Structure no. 02890

Built
2011
14 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
1,300
2020 count
Owner
State
State Highway Agency

About this bridge

Route 341 over Bog Hollow Brook is a prestressed concrete box beam or girders - multiple carrying Route 341 over Bog Hollow Brook in Litchfield County, Connecticut. It was built in 2011, so it is 14 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,300 vehicles a day, roughly 5% of them trucks, projected to reach 1,932 by 2040. The structure is 44 ft (13.5 m) long and 45 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRoute 341
CrossesBog Hollow Brook
Location500 E of Macedonia Bk RD
RouteState Highway 341
Coordinates41.74166, -73.49844
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length44 ft (13.5 m)
Longest span41 ft (12.6 m)
Deck width45 ft (13.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2020)
Projected traffic1,932 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 341 over Bog Hollow Brook built?

It was built in 2011, making it 14 years old in 2025.

What condition is Route 341 over Bog Hollow 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 September 2023.

How much traffic does Route 341 over Bog Hollow Brook carry?

About 1,300 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Route 341 over Bog Hollow Brook?

The structure is 44 ft (13.5 m) long with a longest span of 41 ft (12.6 m) and a deck 45 ft wide.

Who owns Route 341 over Bog Hollow Brook?

It is owned by the State Highway Agency.