US Bridges

New London Tpke over Yantic River

Poor

New London County, Connecticut · .1 Mile South of SR 642 · Structure no. 04096

Built
1963
62 years old
Condition
Poor
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
7,400
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

New London Tpke over Yantic River is a prestressed concrete box beam or girders - multiple carrying New London Tpke over Yantic River in New London County, Connecticut. It was built in 1963, so it is 62 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 7,400 vehicles a day, roughly 5% of them trucks, projected to reach 10,996 by 2043. The structure is 142 ft (43.3 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNew London Tpke
CrossesYantic River
Location.1 Mile South of SR 642
RouteCity Street 0
Coordinates41.547, -72.09516
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadUnknown
Structure length142 ft (43.3 m)
Longest span47 ft (14.3 m)
Deck width35 ft (10.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,400 (2023)
Projected traffic10,996 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 New London Tpke over Yantic River built?

It was built in 1963, making it 62 years old in 2025.

What condition is New London Tpke over Yantic River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does New London Tpke over Yantic River carry?

About 7,400 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is New London Tpke over Yantic River?

The structure is 142 ft (43.3 m) long with a longest span of 47 ft (14.3 m) and a deck 35 ft wide.

Who owns New London Tpke over Yantic River?

It is owned by the City or Municipal Highway Agency.