US Bridges

Route 12 over Whetstone Brook

Fair

Windham County, Connecticut · 2 MI North of US Route 6 · Structure no. 00672

Built
2000
25 years old
Condition
Fair
inspected March 2024
Type
Frame
Concrete
Length
44 ft
1 main span
Daily traffic
9,100
2023 count
Owner
State
State Highway Agency

About this bridge

Route 12 over Whetstone Brook is a concrete frame carrying Route 12 over Whetstone Brook in Windham County, Connecticut. It was built in 2000, so it is 25 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 9,100 vehicles a day, roughly 3% of them trucks, projected to reach 13,522 by 2043. The structure is 44 ft (13.4 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRoute 12
CrossesWhetstone Brook
Location2 MI North of US Route 6
RouteState Highway 12
CountyWindham County
StateConnecticut
Coordinates41.83158, -71.8768
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.1 US tons
Inventory rating66.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckOther
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span40 ft (12.2 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,100 (2023)
Projected traffic13,522 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 12 over Whetstone Brook built?

It was built in 2000, making it 25 years old in 2025.

What condition is Route 12 over Whetstone 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 March 2024.

How much traffic does Route 12 over Whetstone Brook carry?

About 9,100 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Route 12 over Whetstone Brook?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 39 ft wide.

Who owns Route 12 over Whetstone Brook?

It is owned by the State Highway Agency.