US Bridges

Route 12 over Poquetanuck Cove

Fair

New London County, Connecticut · 0.9 MI S of Route 2A · Structure no. 06011

Built
1990
35 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
656 ft
5 main spans
Daily traffic
7,900
2020 count
Owner
State
State Highway Agency

About this bridge

Route 12 over Poquetanuck Cove is a steel continuous box beam or girders - single or spread carrying Route 12 over Poquetanuck Cove in New London 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 7,900 vehicles a day, roughly 6% of them trucks, projected to reach 11,739 by 2040. The structure is 656 ft (199.9 m) long and 51 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRoute 12
CrossesPoquetanuck Cove
Location0.9 MI S of Route 2A
RouteState Highway 12
Coordinates41.47158, -72.06041
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating38.6 US tons
Inventory rating30 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length656 ft (199.9 m)
Longest span140 ft (42.7 m)
Deck width51 ft (15.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2020)
Projected traffic11,739 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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 12 over Poquetanuck Cove built?

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

What condition is Route 12 over Poquetanuck Cove 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 2023.

How much traffic does Route 12 over Poquetanuck Cove carry?

About 7,900 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Route 12 over Poquetanuck Cove?

The structure is 656 ft (199.9 m) long with a longest span of 140 ft (42.7 m) and a deck 51 ft wide.

Who owns Route 12 over Poquetanuck Cove?

It is owned by the State Highway Agency.