US Bridges

US Route 6 over Route 10

Fair

New London County, Connecticut · 0.4 Mile East of SR 552 · Structure no. 00476

Built
1933
92 years old, rebuilt 1991
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
1 main span
Daily traffic
18,200
2021 count
Owner
State
State Highway Agency

About this bridge

US Route 6 over Route 10 is a steel stringer/multi-beam or girder carrying US Route 6 over Route 10 in New London County, Connecticut. It was built in 1933 and reconstructed in 1991, so it is 92 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 18,200 vehicles a day, roughly 4% of them trucks, projected to reach 27,043 by 2041. The structure is 120 ft (36.6 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS Route 6
CrossesRoute 10
Location0.4 Mile East of SR 552
RouteU.S. Route 6
Coordinates41.70884, -72.84144
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating74.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length120 ft (36.6 m)
Longest span107 ft (32.6 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,200 (2021)
Projected traffic27,043 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US Route 6 over Route 10 built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1991.

What condition is US Route 6 over Route 10 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 February 2024.

How much traffic does US Route 6 over Route 10 carry?

About 18,200 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is US Route 6 over Route 10?

The structure is 120 ft (36.6 m) long with a longest span of 107 ft (32.6 m) and a deck 34 ft wide.

Who owns US Route 6 over Route 10?

It is owned by the State Highway Agency.