US Bridges

Moultonville Road over Dan Hole River

Good

Carroll County, New Hampshire · 1.54 MI N. Jct. 16 · Structure no. 020401450023600

Built
1976
49 years old
Condition
Good
inspected October 2024
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
755
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Moultonville Road over Dan Hole River is a concrete frame carrying Moultonville Road over Dan Hole River in Carroll County, New Hampshire. It was built in 1976, so it is 49 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 755 vehicles a day, roughly 4% of them trucks, projected to reach 1,117 by 2043. The structure is 28 ft (8.5 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMoultonville Road
CrossesDan Hole River
Location1.54 MI N. Jct. 16
Coordinates43.75446, -71.17106
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic755 (2023)
Projected traffic1,117 by 2043
Trucks4%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Moultonville Road over Dan Hole River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Moultonville Road over Dan Hole 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 October 2024.

How much traffic does Moultonville Road over Dan Hole River carry?

About 755 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Moultonville Road over Dan Hole River?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 32 ft wide.

Who owns Moultonville Road over Dan Hole River?

It is owned by the City or Municipal Highway Agency.