US Bridges

Cook Hill Road over Whetstone Brook

Good

Windham County, Connecticut · 350 South of Route 101 · Structure no. 04699

Built
2002
23 years old
Condition
Good
inspected August 2022
Type
Frame
Concrete
Length
41 ft
1 main span
Daily traffic
614
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Cook Hill Road over Whetstone Brook is a concrete frame carrying Cook Hill Road over Whetstone Brook in Windham County, Connecticut. It was built in 2002, so it is 23 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 614 vehicles a day, roughly 7% of them trucks, projected to reach 912 by 2042. The structure is 41 ft (12.5 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCook Hill Road
CrossesWhetstone Brook
Location350 South of Route 101
RouteCity Street 0
Coordinates41.83846, -71.86488
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span36 ft (11 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic614 (2022)
Projected traffic912 by 2042
Trucks7%
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 Cook Hill Road over Whetstone Brook built?

It was built in 2002, making it 23 years old in 2025.

What condition is Cook Hill Road over Whetstone Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2022.

How much traffic does Cook Hill Road over Whetstone Brook carry?

About 614 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Cook Hill Road over Whetstone Brook?

The structure is 41 ft (12.5 m) long with a longest span of 36 ft (11 m) and a deck 32 ft wide.

Who owns Cook Hill Road over Whetstone Brook?

It is owned by the Town or Township Highway Agency.