US Bridges

Lower Road over Blackberry River

Fair

Litchfield County, Connecticut · .75 MI W of Furnace Hill · Structure no. 05207

Built
1938
87 years old, rebuilt 2010
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
628
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lower Road over Blackberry River is a steel stringer/multi-beam or girder carrying Lower Road over Blackberry River in Litchfield County, Connecticut. It was built in 1938 and reconstructed in 2010, so it is 87 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 628 vehicles a day, roughly 4% of them trucks, projected to reach 933 by 2042. The structure is 79 ft (24.1 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLower Road
CrossesBlackberry River
Location.75 MI W of Furnace Hill
RouteCity Street 0
Coordinates42.01087, -73.30478
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.2 US tons
Inventory rating32.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span69 ft (21 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic628 (2022)
Projected traffic933 by 2042
Trucks4%
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 Lower Road over Blackberry River built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2010.

What condition is Lower Road over Blackberry River 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 March 2023.

How much traffic does Lower Road over Blackberry River carry?

About 628 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Lower Road over Blackberry River?

The structure is 79 ft (24.1 m) long with a longest span of 69 ft (21 m) and a deck 35 ft wide.

Who owns Lower Road over Blackberry River?

It is owned by the Town or Township Highway Agency.