US Bridges

VT114 Main Street over Connecticut River

Good

Coos County, New Hampshire · At Vermont State Line · Structure no. 024100280014500

Built
1990
35 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
240 ft
2 main spans
Daily traffic
2,132
2023 count
Owner
State
State Highway Agency

About this bridge

VT114 Main Street over Connecticut River is a steel continuous stringer/multi-beam or girder carrying VT114 Main Street over Connecticut River in Coos County, New Hampshire. It was built in 1990, so it is 35 years old, younger than the New Hampshire average of 56.9 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 2,132 vehicles a day, roughly 4% of them trucks, projected to reach 3,155 by 2043. The structure is 240 ft (73.2 m) long and 52 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesVT114 Main Street
CrossesConnecticut River
LocationAt Vermont State Line
RouteState Highway 0
Coordinates44.9956, -71.5346
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating56.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length240 ft (73.2 m)
Longest span118 ft (36 m)
Deck width52 ft (16 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,132 (2023)
Projected traffic3,155 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$314,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was VT114 Main Street over Connecticut River built?

It was built in 1990, making it 35 years old in 2025.

What condition is VT114 Main Street over Connecticut River 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 August 2024.

How much traffic does VT114 Main Street over Connecticut River carry?

About 2,132 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is VT114 Main Street over Connecticut River?

The structure is 240 ft (73.2 m) long with a longest span of 118 ft (36 m) and a deck 52 ft wide.

Who owns VT114 Main Street over Connecticut River?

It is owned by the State Highway Agency.