US Bridges

Stage Road over Brook

Good

Belknap County, New Hampshire · 0.25MI Loudon Tl · Structure no. 009201060004100

Built
2021
4 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
836
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Stage Road over Brook is a concrete culvert carrying Stage Road over Brook in Belknap County, New Hampshire. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 836 vehicles a day, roughly 4% of them trucks, projected to reach 1,237 by 2043. The structure is 24 ft (7.4 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesStage Road
CrossesBrook
Location0.25MI Loudon Tl
CountyBelknap County
StateNew Hampshire
Coordinates43.39261, -71.31445
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
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 rating81 US tons
Inventory rating62.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length24 ft (7.4 m)
Longest span22 ft (6.8 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic836 (2023)
Projected traffic1,237 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 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 Stage Road over Brook built?

It was built in 2021, making it 4 years old in 2025.

What condition is Stage Road over Brook 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 August 2023.

How much traffic does Stage Road over Brook carry?

About 836 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Stage Road over Brook?

The structure is 24 ft (7.4 m) long with a longest span of 22 ft (6.8 m) and a deck 28 ft wide.

Who owns Stage Road over Brook?

It is owned by the City or Municipal Highway Agency.