US Bridges

I-95 Ramp 313 over AMTRAK Railroad

Fair

New London County, Connecticut · I-95 Exit No. 85 · Structure no. 01639

Built
1943
82 years old, rebuilt 2001
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
141 ft
3 main spans
Daily traffic
10,100
2020 count
Owner
State
State Highway Agency

About this bridge

I-95 Ramp 313 over AMTRAK Railroad is a steel stringer/multi-beam or girder carrying I-95 Ramp 313 over AMTRAK Railroad in New London County, Connecticut. It was built in 1943 and reconstructed in 2001, so it is 82 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 10,100 vehicles a day, roughly 14% of them trucks, projected to reach 15,008 by 2040. The structure is 141 ft (42.9 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-95 Ramp 313
CrossesAMTRAK Railroad
LocationI-95 Exit No. 85
RouteInterstate 95
CountyNew London County
StateConnecticut
Coordinates41.36208, -72.07708
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating57.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length141 ft (42.9 m)
Longest span68 ft (20.8 m)
Deck width74 ft (22.6 m)
Roadway width62 ft (19 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,100 (2020)
Projected traffic15,008 by 2040
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-95 Ramp 313 over AMTRAK Railroad built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 2001.

What condition is I-95 Ramp 313 over AMTRAK Railroad 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 January 2024.

How much traffic does I-95 Ramp 313 over AMTRAK Railroad carry?

About 10,100 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is I-95 Ramp 313 over AMTRAK Railroad?

The structure is 141 ft (42.9 m) long with a longest span of 68 ft (20.8 m) and a deck 74 ft wide.

Who owns I-95 Ramp 313 over AMTRAK Railroad?

It is owned by the State Highway Agency.