US Bridges

US Route 1 (boston over INTERSTATE-95

Fair

New London County, Connecticut · 0.8 MI N of Route 161 · Structure no. 00252

Built
1958
67 years old, rebuilt 2002
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
281 ft
2 main spans
Daily traffic
12,500
2018 count
Owner
State
State Highway Agency

About this bridge

US Route 1 (boston over INTERSTATE-95 is a steel continuous stringer/multi-beam or girder carrying US Route 1 (boston over INTERSTATE-95 in New London County, Connecticut. It was built in 1958 and reconstructed in 2002, so it is 67 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.

It carries about 12,500 vehicles a day, roughly 6% of them trucks, projected to reach 18,574 by 2038. The structure is 281 ft (85.6 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS Route 1 (boston
CrossesINTERSTATE-95
Location0.8 MI N of Route 161
RouteU.S. Route 1
CountyNew London County
StateConnecticut
Coordinates41.37008, -72.20165
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length281 ft (85.6 m)
Longest span94 ft (28.6 m)
Deck width68 ft (20.6 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2018)
Projected traffic18,574 by 2038
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 1 (boston over INTERSTATE-95 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2002.

What condition is US Route 1 (boston over INTERSTATE-95 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 2023.

How much traffic does US Route 1 (boston over INTERSTATE-95 carry?

About 12,500 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is US Route 1 (boston over INTERSTATE-95?

The structure is 281 ft (85.6 m) long with a longest span of 94 ft (28.6 m) and a deck 68 ft wide.

Who owns US Route 1 (boston over INTERSTATE-95?

It is owned by the State Highway Agency.