US Bridges

Mcindoes Street over Connecticut River

Fair

Grafton County, New Hampshire · Vermont State Line · Structure no. 017400810010600

Built
1930
95 years old, rebuilt 2006
Condition
Fair
inspected June 2023
Type
Truss - Thru
Steel
Length
308 ft
1 main span
Daily traffic
444
2023 count
Owner
State
State Highway Agency

About this bridge

Mcindoes Street over Connecticut River is a steel truss - thru carrying Mcindoes Street over Connecticut River in Grafton County, New Hampshire. It was built in 1930 and reconstructed in 2006, so it is 95 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 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 444 vehicles a day, roughly 10% of them trucks, projected to reach 657 by 2043. The structure is 308 ft (93.9 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMcindoes Street
CrossesConnecticut River
LocationVermont State Line
RouteState Highway 0
Coordinates44.26154, -72.05891
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckClosed grating
Main spans1
Design loadH 20
Structure length308 ft (93.9 m)
Longest span305 ft (93 m)
Deck width23 ft (6.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck11 ft (3.4 m)

Traffic and service

Average daily traffic444 (2023)
Projected traffic657 by 2043
Trucks10%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible 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 Mcindoes Street over Connecticut River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2006.

What condition is Mcindoes Street over Connecticut River 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 June 2023.

How much traffic does Mcindoes Street over Connecticut River carry?

About 444 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Mcindoes Street over Connecticut River?

The structure is 308 ft (93.9 m) long with a longest span of 305 ft (93 m) and a deck 23 ft wide.

Who owns Mcindoes Street over Connecticut River?

It is owned by the State Highway Agency.