US Bridges

Route 97 over Abandoned Canal

Fair

New London County, Connecticut · .1 MI North of Route 207 · Structure no. 03434

Built
1967
58 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
105 ft
2 main spans
Daily traffic
2,400
2020 count
Owner
State
State Highway Agency

About this bridge

Route 97 over Abandoned Canal is a steel stringer/multi-beam or girder carrying Route 97 over Abandoned Canal in New London County, Connecticut. It was built in 1967, so it is 58 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 2,400 vehicles a day, roughly 5% of them trucks, projected to reach 3,566 by 2040. The structure is 105 ft (32 m) long and 44 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRoute 97
CrossesAbandoned Canal
Location.1 MI North of Route 207
RouteState Highway 97
Coordinates41.61913, -72.08366
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length105 ft (32 m)
Longest span49 ft (14.9 m)
Deck width44 ft (13.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2020)
Projected traffic3,566 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 97 over Abandoned Canal built?

It was built in 1967, making it 58 years old in 2025.

What condition is Route 97 over Abandoned Canal 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 May 2024.

How much traffic does Route 97 over Abandoned Canal carry?

About 2,400 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Route 97 over Abandoned Canal?

The structure is 105 ft (32 m) long with a longest span of 49 ft (14.9 m) and a deck 44 ft wide.

Who owns Route 97 over Abandoned Canal?

It is owned by the State Highway Agency.