US Bridges

Pratt Road over Lathrop Brook

Fair

Windham County, Connecticut · 100 East of Lathrop Road · Structure no. 05918

Built
1990
35 years old
Condition
Fair
inspected May 2024
Type
Arch - Deck
Steel
Length
32 ft
1 main span
Daily traffic
595
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Pratt Road over Lathrop Brook is a steel arch - deck carrying Pratt Road over Lathrop Brook in Windham County, Connecticut. It was built in 1990, so it is 35 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 595 vehicles a day, roughly 7% of them trucks, projected to reach 884 by 2044. The structure is 32 ft (9.8 m) long and 110 ft wide.

CarriesPratt Road
CrossesLathrop Brook
Location100 East of Lathrop Road
RouteCity Street 0
Coordinates41.66399, -71.91229
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
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width110 ft (33.5 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic595 (2024)
Projected traffic884 by 2044
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Pratt Road over Lathrop Brook built?

It was built in 1990, making it 35 years old in 2025.

What condition is Pratt Road over Lathrop 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 May 2024.

How much traffic does Pratt Road over Lathrop Brook carry?

About 595 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Pratt Road over Lathrop Brook?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 110 ft wide.

Who owns Pratt Road over Lathrop Brook?

It is owned by the Town or Township Highway Agency.