US Bridges

INTERSTATE-95 NB over Williams ST (sr 635)

Fair

New London County, Connecticut · 0.1 MI W of Thames River · Structure no. 03820

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
123 ft
1 main span
Daily traffic
35,100
2020 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-95 NB over Williams ST (sr 635) is a steel stringer/multi-beam or girder carrying INTERSTATE-95 NB over Williams ST (sr 635) in New London County, Connecticut. It was built in 1975, so it is 50 years old, younger 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 35,100 vehicles a day, roughly 9% of them trucks, projected to reach 52,155 by 2040. The structure is 123 ft (37.5 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesINTERSTATE-95 NB
CrossesWilliams ST (sr 635)
Location0.1 MI W of Thames River
RouteInterstate 95
CountyNew London County
StateConnecticut
Coordinates41.36435, -72.10276
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span118 ft (36.1 m)
Deck width77 ft (23.6 m)
Roadway width73 ft (22.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,100 (2020)
Projected traffic52,155 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 NB over Williams ST (sr 635) built?

It was built in 1975, making it 50 years old in 2025.

What condition is INTERSTATE-95 NB over Williams ST (sr 635) 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 NB over Williams ST (sr 635) carry?

About 35,100 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is INTERSTATE-95 NB over Williams ST (sr 635)?

The structure is 123 ft (37.5 m) long with a longest span of 118 ft (36.1 m) and a deck 77 ft wide.

Who owns INTERSTATE-95 NB over Williams ST (sr 635)?

It is owned by the State Highway Agency.