US Bridges

Sodom Road over Konkapot River

Fair

Litchfield County, Connecticut · 500 S of Old Tpke N JCT · Structure no. 05206

Built
1956
69 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
408
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Sodom Road over Konkapot River is a steel stringer/multi-beam or girder carrying Sodom Road over Konkapot River in Litchfield County, Connecticut. It was built in 1956, so it is 69 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 408 vehicles a day, roughly 7% of them trucks, projected to reach 606 by 2043. The structure is 68 ft (20.7 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSodom Road
CrossesKonkapot River
Location500 S of Old Tpke N JCT
RouteCity Street 0
CountyLitchfield County
StateConnecticut
Coordinates42.04533, -73.28885
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span62 ft (18.9 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic408 (2023)
Projected traffic606 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Sodom Road over Konkapot River built?

It was built in 1956, making it 69 years old in 2025.

What condition is Sodom Road over Konkapot 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 Sodom Road over Konkapot River carry?

About 408 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Sodom Road over Konkapot River?

The structure is 68 ft (20.7 m) long with a longest span of 62 ft (18.9 m) and a deck 26 ft wide.

Who owns Sodom Road over Konkapot River?

It is owned by the Town or Township Highway Agency.