US Bridges

Hannah Nutter Road over Big River

Good

Belknap County, New Hampshire · 0.1 MI FR New Rochester · Structure no. 001401490007300

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Culvert
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hannah Nutter Road over Big River is a prestressed concrete culvert carrying Hannah Nutter Road over Big River in Belknap County, New Hampshire. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 96 vehicles a day, projected to reach 142 by 2043. The structure is 42 ft (12.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesHannah Nutter Road
CrossesBig River
Location0.1 MI FR New Rochester
CountyBelknap County
StateNew Hampshire
Coordinates43.33136, -71.23898
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating80.2 US tons

Structure

Structure typeCulvert
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length42 ft (12.9 m)
Longest span42 ft (12.9 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic142 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Hannah Nutter Road over Big River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Hannah Nutter Road over Big 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 September 2024.

How much traffic does Hannah Nutter Road over Big River carry?

About 96 vehicles per day (2023 count).

How long is Hannah Nutter Road over Big River?

The structure is 42 ft (12.9 m) long with a longest span of 42 ft (12.9 m) and a deck 28 ft wide.

Who owns Hannah Nutter Road over Big River?

It is owned by the City or Municipal Highway Agency.