US Bridges

Eighth Street over Canal-Shetucket River

Fair

New London County, Connecticut · .1 Miles East of Route 12 · Structure no. 04077

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
1 main span
Daily traffic
3,200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Eighth Street over Canal-Shetucket River is a steel stringer/multi-beam or girder carrying Eighth Street over Canal-Shetucket River 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 5 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 77 ft (23.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEighth Street
CrossesCanal-Shetucket River
Location.1 Miles East of Route 12
RouteCity Street 0
Coordinates41.53527, -72.05337
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating109 US tons
Inventory rating65.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length77 ft (23.5 m)
Longest span73 ft (22.1 m)
Deck width30 ft (9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2023)
Projected traffic4,755 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Eighth Street over Canal-Shetucket River built?

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

What condition is Eighth Street over Canal-Shetucket River 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 2024.

How much traffic does Eighth Street over Canal-Shetucket River carry?

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

How long is Eighth Street over Canal-Shetucket River?

The structure is 77 ft (23.5 m) long with a longest span of 73 ft (22.1 m) and a deck 30 ft wide.

Who owns Eighth Street over Canal-Shetucket River?

It is owned by the City or Municipal Highway Agency.