US Bridges

Riga Lane over Wachocastinook Brook

Fair

Litchfield County, Connecticut · 100 W of JCT Mt. Riga RD · Structure no. 05199

Built
1957
68 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
80
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Riga Lane over Wachocastinook Brook is a steel stringer/multi-beam or girder carrying Riga Lane over Wachocastinook Brook in Litchfield County, Connecticut. It was built in 1957, so it is 68 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 119 by 2036. The structure is 37 ft (11.3 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesRiga Lane
CrossesWachocastinook Brook
Location100 W of JCT Mt. Riga RD
RouteCity Street 0
CountyLitchfield County
StateConnecticut
Coordinates41.98861, -73.43285
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 inspectionAugust 2024
Inspection intervalevery 24 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 alignment6: Equal to present minimum criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span32 ft (9.9 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2016)
Projected traffic119 by 2036
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Riga Lane over Wachocastinook Brook built?

It was built in 1957, making it 68 years old in 2025.

What condition is Riga Lane over Wachocastinook 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 August 2024.

How much traffic does Riga Lane over Wachocastinook Brook carry?

About 80 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Riga Lane over Wachocastinook Brook?

The structure is 37 ft (11.3 m) long with a longest span of 32 ft (9.9 m) and a deck 26 ft wide.

Who owns Riga Lane over Wachocastinook Brook?

It is owned by the Town or Township Highway Agency.