US Bridges

Preston Allen Road over INTERSTATE-395

Fair

New London County, Connecticut · .5 MI South of Route 169 · Structure no. 00282

Built
1958
67 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
166 ft
2 main spans
Daily traffic
1,091
2023 count
Owner
State
State Highway Agency

About this bridge

Preston Allen Road over INTERSTATE-395 is a steel stringer/multi-beam or girder carrying Preston Allen Road over INTERSTATE-395 in New London County, Connecticut. It was built in 1958, 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 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 1,091 vehicles a day, roughly 7% of them trucks, projected to reach 1,621 by 2043. The structure is 166 ft (50.5 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesPreston Allen Road
CrossesINTERSTATE-395
Location.5 MI South of Route 169
RouteCity Street 0
CountyNew London County
StateConnecticut
Coordinates41.58703, -72.03038
Functional classRural Local

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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length166 ft (50.5 m)
Longest span80 ft (24.4 m)
Deck width46 ft (13.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,091 (2023)
Projected traffic1,621 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Preston Allen Road over INTERSTATE-395 built?

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

What condition is Preston Allen Road over INTERSTATE-395 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 March 2023.

How much traffic does Preston Allen Road over INTERSTATE-395 carry?

About 1,091 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Preston Allen Road over INTERSTATE-395?

The structure is 166 ft (50.5 m) long with a longest span of 80 ft (24.4 m) and a deck 46 ft wide.

Who owns Preston Allen Road over INTERSTATE-395?

It is owned by the State Highway Agency.