US Bridges

Route 12 over Pachaug River - P & W RR

Fair

New London County, Connecticut · 0.9 Mile North of I-395 · Structure no. 00665

Built
1930
95 years old, rebuilt 1988
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
676 ft
11 main spans
Daily traffic
8,200
2020 count
Owner
State
State Highway Agency

About this bridge

Route 12 over Pachaug River - P & W RR is a steel continuous stringer/multi-beam or girder carrying Route 12 over Pachaug River - P & W RR in New London County, Connecticut. It was built in 1930 and reconstructed in 1988, so it is 95 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 5 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 8,200 vehicles a day, roughly 6% of them trucks, projected to reach 12,184 by 2040. The structure is 676 ft (205.9 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRoute 12
CrossesPachaug River - P & W RR
Location0.9 Mile North of I-395
RouteState Highway 12
Coordinates41.60353, -71.9854
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.9 US tons
Inventory rating30 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11 (+6 approach)
Design loadHS 20
Structure length676 ft (205.9 m)
Longest span58 ft (17.7 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2020)
Projected traffic12,184 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed3.1 mi (5 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 12 over Pachaug River - P & W RR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1988.

What condition is Route 12 over Pachaug River - P & W RR 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 2023.

How much traffic does Route 12 over Pachaug River - P & W RR carry?

About 8,200 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Route 12 over Pachaug River - P & W RR?

The structure is 676 ft (205.9 m) long with a longest span of 58 ft (17.7 m) and a deck 39 ft wide.

Who owns Route 12 over Pachaug River - P & W RR?

It is owned by the State Highway Agency.