US Bridges

Route 14 over Quinnebaug River

Fair

Windham County, Connecticut · 0.4 MI E of Route 169 · Structure no. 00684

Built
1951
74 years old, rebuilt 1984
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
307 ft
2 main spans
Daily traffic
6,500
2022 count
Owner
State
State Highway Agency

About this bridge

Route 14 over Quinnebaug River is a steel continuous stringer/multi-beam or girder carrying Route 14 over Quinnebaug River in Windham County, Connecticut. It was built in 1951 and reconstructed in 1984, so it is 74 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 6,500 vehicles a day, roughly 3% of them trucks, projected to reach 9,658 by 2042. The structure is 307 ft (93.6 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRoute 14
CrossesQuinnebaug River
Location0.4 MI E of Route 169
RouteState Highway 14
CountyWindham County
StateConnecticut
Coordinates41.69786, -71.96266
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length307 ft (93.6 m)
Longest span150 ft (45.7 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2022)
Projected traffic9,658 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Route 14 over Quinnebaug River built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1984.

What condition is Route 14 over Quinnebaug 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 December 2024.

How much traffic does Route 14 over Quinnebaug River carry?

About 6,500 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Route 14 over Quinnebaug River?

The structure is 307 ft (93.6 m) long with a longest span of 150 ft (45.7 m) and a deck 36 ft wide.

Who owns Route 14 over Quinnebaug River?

It is owned by the State Highway Agency.