US Bridges

Route 349 NB over AMTRAK Railroad

Good

New London County, Connecticut · 1 Mile S of INTERSTATE-95 · Structure no. 03331

Built
1966
59 years old, rebuilt 2019
Condition
Good
inspected January 2024
Type
Girder and Floorbeam System
Prestressed Concrete
Length
163 ft
3 main spans
Daily traffic
7,900
2020 count
Owner
State
State Highway Agency

About this bridge

Route 349 NB over AMTRAK Railroad is a prestressed concrete girder and floorbeam system carrying Route 349 NB over AMTRAK Railroad in New London County, Connecticut. It was built in 1966 and reconstructed in 2019, so it is 59 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,900 vehicles a day, roughly 8% of them trucks, projected to reach 11,739 by 2040. The structure is 163 ft (49.8 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 349 NB
CrossesAMTRAK Railroad
Location1 Mile S of INTERSTATE-95
RouteState Highway 349
Coordinates41.35821, -72.06805
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.8 m)
Longest span72 ft (21.9 m)
Deck width52 ft (15.7 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2020)
Projected traffic11,739 by 2040
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 349 NB over AMTRAK Railroad built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2019.

What condition is Route 349 NB over AMTRAK Railroad in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Route 349 NB over AMTRAK Railroad carry?

About 7,900 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Route 349 NB over AMTRAK Railroad?

The structure is 163 ft (49.8 m) long with a longest span of 72 ft (21.9 m) and a deck 52 ft wide.

Who owns Route 349 NB over AMTRAK Railroad?

It is owned by the State Highway Agency.