US Bridges

US Route 1A over Lamberts Cove

Fair

New London County, Connecticut · 0.4 MI E of US Route 1 · Structure no. 00369

Built
1995
30 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
2,700
2020 count
Owner
State
State Highway Agency

About this bridge

US Route 1A over Lamberts Cove is a prestressed concrete channel beam carrying US Route 1A over Lamberts Cove in New London County, Connecticut. It was built in 1995, so it is 30 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 2,700 vehicles a day, roughly 3% of them trucks, projected to reach 4,012 by 2040. The structure is 53 ft (16.2 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS Route 1A
CrossesLamberts Cove
Location0.4 MI E of US Route 1
RouteU.S. Route 1A
Coordinates41.34401, -71.90886
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span48 ft (14.6 m)
Deck width41 ft (12.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2020)
Projected traffic4,012 by 2040
Trucks3%
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

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 US Route 1A over Lamberts Cove built?

It was built in 1995, making it 30 years old in 2025.

What condition is US Route 1A over Lamberts Cove 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 January 2024.

How much traffic does US Route 1A over Lamberts Cove carry?

About 2,700 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is US Route 1A over Lamberts Cove?

The structure is 53 ft (16.2 m) long with a longest span of 48 ft (14.6 m) and a deck 41 ft wide.

Who owns US Route 1A over Lamberts Cove?

It is owned by the State Highway Agency.