US Bridges

INTERSTATE-95 NB over Route 27

Fair

New London County, Connecticut · 0.4 MI N of Mystic River · Structure no. 01791

Built
1964
61 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
148 ft
3 main spans
Daily traffic
20,400
2020 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-95 NB over Route 27 is a steel stringer/multi-beam or girder carrying INTERSTATE-95 NB over Route 27 in New London County, Connecticut. It was built in 1964, so it is 61 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 20,400 vehicles a day, roughly 9% of them trucks, projected to reach 30,312 by 2040. The structure is 148 ft (45.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesINTERSTATE-95 NB
CrossesRoute 27
Location0.4 MI N of Mystic River
RouteInterstate 95
CountyNew London County
StateConnecticut
Coordinates41.37501, -71.95912
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length148 ft (45.1 m)
Longest span64 ft (19.5 m)
Deck width44 ft (13.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,400 (2020)
Projected traffic30,312 by 2040
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$500,000 (2017 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was INTERSTATE-95 NB over Route 27 built?

It was built in 1964, making it 61 years old in 2025.

What condition is INTERSTATE-95 NB over Route 27 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 INTERSTATE-95 NB over Route 27 carry?

About 20,400 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is INTERSTATE-95 NB over Route 27?

The structure is 148 ft (45.1 m) long with a longest span of 64 ft (19.5 m) and a deck 44 ft wide.

Who owns INTERSTATE-95 NB over Route 27?

It is owned by the State Highway Agency.