US Bridges

Neal Mine Road over Little Sugar River

Fair

Sullivan County, New Hampshire · 80 Ft from Stage Road 72 · Structure no. 026000620004600

Built
2011
14 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Neal Mine Road over Little Sugar River is a steel stringer/multi-beam or girder carrying Neal Mine Road over Little Sugar River in Sullivan County, New Hampshire. It was built in 2011, so it is 14 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 fair condition with a lowest component rating of 6 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 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 69 ft (20.9 m) long and 12 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNeal Mine Road
CrossesLittle Sugar River
Location80 Ft from Stage Road 72
Coordinates43.27294, -72.33011
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.8 US tons
Inventory rating23.1 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length69 ft (20.9 m)
Longest span67 ft (20.5 m)
Deck width12 ft (3.6 m)
Roadway width10 ft (3.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic142 by 2043
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Neal Mine Road over Little Sugar River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Neal Mine Road over Little Sugar 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 September 2024.

How much traffic does Neal Mine Road over Little Sugar River carry?

About 96 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Neal Mine Road over Little Sugar River?

The structure is 69 ft (20.9 m) long with a longest span of 67 ft (20.5 m) and a deck 12 ft wide.

Who owns Neal Mine Road over Little Sugar River?

It is owned by the City or Municipal Highway Agency.