US Bridges

SR 636 NB over Route 32 & I-95SB TR 817

Fair

New London County, Connecticut · 0.8 MI N of I-95 · Structure no. 02888

Built
1973
52 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
244 ft
2 main spans
Daily traffic
3,200
2023 count
Owner
State
State Highway Agency

About this bridge

SR 636 NB over Route 32 & I-95SB TR 817 is a steel continuous stringer/multi-beam or girder carrying SR 636 NB over Route 32 & I-95SB TR 817 in New London County, Connecticut. It was built in 1973, so it is 52 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 3,200 vehicles a day, roughly 5% of them trucks, projected to reach 4,755 by 2043. The structure is 244 ft (74.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 636 NB
CrossesRoute 32 & I-95SB TR 817
Location0.8 MI N of I-95
RouteState Highway 636
CountyNew London County
StateConnecticut
Coordinates41.37033, -72.10459
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating86.8 US tons
Inventory rating52.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length244 ft (74.4 m)
Longest span130 ft (39.6 m)
Deck width40 ft (12.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2023)
Projected traffic4,755 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 636 NB over Route 32 & I-95SB TR 817 built?

It was built in 1973, making it 52 years old in 2025.

What condition is SR 636 NB over Route 32 & I-95SB TR 817 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 November 2024.

How much traffic does SR 636 NB over Route 32 & I-95SB TR 817 carry?

About 3,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 636 NB over Route 32 & I-95SB TR 817?

The structure is 244 ft (74.4 m) long with a longest span of 130 ft (39.6 m) and a deck 40 ft wide.

Who owns SR 636 NB over Route 32 & I-95SB TR 817?

It is owned by the State Highway Agency.