US Bridges

RT138 & Lincoln Sq over Abandoned Canal

FairPosted for load

New London County, Connecticut · 1 MI East of Route 12 · Structure no. 01354

Built
1946
79 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
3,900
2020 count
Owner
State
State Highway Agency

About this bridge

RT138 & Lincoln Sq over Abandoned Canal is a concrete slab carrying RT138 & Lincoln Sq over Abandoned Canal in New London County, Connecticut. It was built in 1946, so it is 79 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. Its operating status is: posted for load restriction.

It carries about 3,900 vehicles a day, roughly 6% of them trucks, projected to reach 5,795 by 2040. The structure is 37 ft (11.3 m) long and 75 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesRT138 & Lincoln Sq
CrossesAbandoned Canal
Location1 MI East of Route 12
RouteState Highway 138
Coordinates41.60317, -71.98262
Functional classRural Major 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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.6 US tons
Inventory rating18.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length37 ft (11.3 m)
Longest span33 ft (10.1 m)
Deck width75 ft (22.9 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2020)
Projected traffic5,795 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed21.1 mi (34 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 RT138 & Lincoln Sq over Abandoned Canal built?

It was built in 1946, making it 79 years old in 2025.

What condition is RT138 & Lincoln Sq 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 2023.

How much traffic does RT138 & Lincoln Sq over Abandoned Canal carry?

About 3,900 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is RT138 & Lincoln Sq over Abandoned Canal?

The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.1 m) and a deck 75 ft wide.

Who owns RT138 & Lincoln Sq over Abandoned Canal?

It is owned by the State Highway Agency.