US Bridges

INTERSTATE-95 SB over I-95 Ramp 313

Fair

New London County, Connecticut · 0.7 MI N of Thames River · Structure no. 01769

Built
1964
61 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
94 ft
1 main span
Daily traffic
38,300
2020 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-95 SB over I-95 Ramp 313 is a steel stringer/multi-beam or girder carrying INTERSTATE-95 SB over I-95 Ramp 313 in New London County, Connecticut. It was built in 1964, so it is 61 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 38,300 vehicles a day, roughly 9% of them trucks, projected to reach 56,910 by 2040. The structure is 94 ft (28.5 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesINTERSTATE-95 SB
CrossesI-95 Ramp 313
Location0.7 MI N of Thames River
RouteInterstate 95
CountyNew London County
StateConnecticut
Coordinates41.3649, -72.07523
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
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 alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length94 ft (28.5 m)
Longest span88 ft (26.8 m)
Deck width86 ft (26.1 m)
Roadway width82 ft (24.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,300 (2020)
Projected traffic56,910 by 2040
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 INTERSTATE-95 SB over I-95 Ramp 313 built?

It was built in 1964, making it 61 years old in 2025.

What condition is INTERSTATE-95 SB over I-95 Ramp 313 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 INTERSTATE-95 SB over I-95 Ramp 313 carry?

About 38,300 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is INTERSTATE-95 SB over I-95 Ramp 313?

The structure is 94 ft (28.5 m) long with a longest span of 88 ft (26.8 m) and a deck 86 ft wide.

Who owns INTERSTATE-95 SB over I-95 Ramp 313?

It is owned by the State Highway Agency.