US Bridges

Stinson Lake Road over Stinson Brook

Fair

Grafton County, New Hampshire · 1.6 MI S of Ellsworth Tl · Structure no. 022501390015300

Built
1927
98 years old, rebuilt 1968
Condition
Fair
inspected May 2024
Type
Arch - Deck
Concrete
Length
29 ft
1 main span
Daily traffic
857
2023 count
Owner
State
State Highway Agency

About this bridge

Stinson Lake Road over Stinson Brook is a concrete arch - deck carrying Stinson Lake Road over Stinson Brook in Grafton County, New Hampshire. It was built in 1927 and reconstructed in 1968, so it is 98 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 857 vehicles a day, roughly 10% of them trucks, projected to reach 1,268 by 2043. The structure is 29 ft (8.8 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesStinson Lake Road
CrossesStinson Brook
Location1.6 MI S of Ellsworth Tl
RouteState Highway 0
CountyGrafton County
StateNew Hampshire
Coordinates43.86062, -71.81059
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27 US tons
Inventory rating16 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic857 (2023)
Projected traffic1,268 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusPossibly eligible for the National Register; requires further investigation
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 Stinson Lake Road over Stinson Brook built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1968.

What condition is Stinson Lake Road over Stinson Brook 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 May 2024.

How much traffic does Stinson Lake Road over Stinson Brook carry?

About 857 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Stinson Lake Road over Stinson Brook?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.

Who owns Stinson Lake Road over Stinson Brook?

It is owned by the State Highway Agency.