US Bridges

Route 12 over Shetucket River

Fair

New London County, Connecticut · At Route 2 Overlap · Structure no. 00661

Built
1954
71 years old, rebuilt 1994
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
390 ft
3 main spans
Daily traffic
14,600
2017 count
Owner
State
State Highway Agency

About this bridge

Route 12 over Shetucket River is a steel continuous stringer/multi-beam or girder carrying Route 12 over Shetucket River in New London County, Connecticut. It was built in 1954 and reconstructed in 1994, so it is 71 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 14,600 vehicles a day, roughly 4% of them trucks, projected to reach 21,694 by 2037. The structure is 390 ft (118.9 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 12
CrossesShetucket River
LocationAt Route 2 Overlap
RouteState Highway 12
Coordinates41.52317, -72.07447
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.4 US tons
Inventory rating27.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length390 ft (118.9 m)
Longest span145 ft (44.2 m)
Deck width46 ft (14.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,600 (2017)
Projected traffic21,694 by 2037
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Shetucket River built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1994.

What condition is Route 12 over Shetucket 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 April 2023.

How much traffic does Route 12 over Shetucket River carry?

About 14,600 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Route 12 over Shetucket River?

The structure is 390 ft (118.9 m) long with a longest span of 145 ft (44.2 m) and a deck 46 ft wide.

Who owns Route 12 over Shetucket River?

It is owned by the State Highway Agency.