US Bridges

Cornish Toll Br RD over Connecticut River

PoorPosted for load

Sullivan County, New Hampshire · Vermont State Line · Structure no. 005500640010800

Built
1866
159 years old, rebuilt 1989
Condition
Poor
inspected November 2024
Type
Truss - Thru
Wood or Timber
Length
449 ft
2 main spans
Daily traffic
2,722
2023 count
Owner
State
State Highway Agency

About this bridge

Cornish Toll Br RD over Connecticut River is a wood or timber truss - thru carrying Cornish Toll Br RD over Connecticut River in Sullivan County, New Hampshire. It was built in 1866 and reconstructed in 1989, so it is 159 years old, older than the New Hampshire average of 56.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 2,722 vehicles a day, roughly 4% of them trucks, projected to reach 4,028 by 2043. The structure is 449 ft (136.9 m) long and 21 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesCornish Toll Br RD
CrossesConnecticut River
LocationVermont State Line
RouteState Highway 0
Coordinates43.4737, -72.38391
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 8 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22 US tons
Inventory rating13 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 15
Structure length449 ft (136.9 m)
Longest span203 ft (61.9 m)
Deck width21 ft (6.3 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck9 ft (2.9 m)

Traffic and service

Average daily traffic2,722 (2023)
Projected traffic4,028 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on 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 Cornish Toll Br RD over Connecticut River built?

It was built in 1866, making it 159 years old in 2025. It was reconstructed in 1989.

What condition is Cornish Toll Br RD over Connecticut River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Cornish Toll Br RD over Connecticut River carry?

About 2,722 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Cornish Toll Br RD over Connecticut River?

The structure is 449 ft (136.9 m) long with a longest span of 203 ft (61.9 m) and a deck 21 ft wide.

Who owns Cornish Toll Br RD over Connecticut River?

It is owned by the State Highway Agency.