US Bridges

South Road over Leadmine Brook

Fair

Litchfield County, Connecticut · West of Route 222 JCT · Structure no. 05056

Built
1999
26 years old
Condition
Fair
inspected October 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
390
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

South Road over Leadmine Brook is a prestressed concrete box beam or girders - multiple carrying South Road over Leadmine Brook in Litchfield County, Connecticut. It was built in 1999, so it is 26 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 390 vehicles a day, roughly 1% of them trucks, projected to reach 580 by 2042. The structure is 67 ft (20.4 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSouth Road
CrossesLeadmine Brook
LocationWest of Route 222 JCT
RouteCity Street 0
Coordinates41.73008, -73.05319
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating88 US tons
Inventory rating52 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span62 ft (18.9 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2022)
Projected traffic580 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 South Road over Leadmine Brook built?

It was built in 1999, making it 26 years old in 2025.

What condition is South Road over Leadmine 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 October 2022.

How much traffic does South Road over Leadmine Brook carry?

About 390 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is South Road over Leadmine Brook?

The structure is 67 ft (20.4 m) long with a longest span of 62 ft (18.9 m) and a deck 29 ft wide.

Who owns South Road over Leadmine Brook?

It is owned by the Town or Township Highway Agency.