US Bridges

Military Highway over Long Cove

Good

New London County, Connecticut · 0.7 Mile W of Route 12 · Structure no. 04129

Built
1999
26 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
1,300
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Military Highway over Long Cove is a prestressed concrete box beam or girders - multiple carrying Military Highway over Long Cove in New London County, Connecticut. It was built in 1999, so it is 26 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,300 vehicles a day, roughly 4% of them trucks, projected to reach 1,932 by 2037. The structure is 56 ft (17.1 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMilitary Highway
CrossesLong Cove
Location0.7 Mile W of Route 12
RouteCity Street 0
Coordinates41.41263, -72.08814
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.5 US tons
Inventory rating63.2 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span52 ft (15.9 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2017)
Projected traffic1,932 by 2037
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Military Highway over Long Cove built?

It was built in 1999, making it 26 years old in 2025.

What condition is Military Highway over Long Cove in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Military Highway over Long Cove carry?

About 1,300 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Military Highway over Long Cove?

The structure is 56 ft (17.1 m) long with a longest span of 52 ft (15.9 m) and a deck 40 ft wide.

Who owns Military Highway over Long Cove?

It is owned by the Town or Township Highway Agency.