US Bridges

Reservoir Road over Camp Brook

Good

Grafton County, New Hampshire · 0.9 MI FR Nh RTE 10/120 · Structure no. 011400560008900

Built
2021
4 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
510
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Reservoir Road over Camp Brook is a concrete slab carrying Reservoir Road over Camp Brook in Grafton 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 510 vehicles a day, roughly 4% of them trucks, projected to reach 754 by 2043. The structure is 27 ft (8.1 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesReservoir Road
CrossesCamp Brook
Location0.9 MI FR Nh RTE 10/120
CountyGrafton County
StateNew Hampshire
Coordinates43.71999, -72.26061
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating77.4 US tons
Inventory rating59.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length27 ft (8.1 m)
Longest span23 ft (6.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2023)
Projected traffic754 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Reservoir Road over Camp Brook built?

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

What condition is Reservoir Road over Camp 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 Reservoir Road over Camp Brook carry?

About 510 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Reservoir Road over Camp Brook?

The structure is 27 ft (8.1 m) long with a longest span of 23 ft (6.9 m) and a deck 26 ft wide.

Who owns Reservoir Road over Camp Brook?

It is owned by the City or Municipal Highway Agency.