US Bridges

Northwood Road over Buzzels Run Brook

Good

Strafford County, New Hampshire · Town RD 1.1MI Norwd Tl · Structure no. 024300850004000

Built
2010
15 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
662
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Northwood Road over Buzzels Run Brook is a concrete culvert carrying Northwood Road over Buzzels Run Brook in Strafford County, New Hampshire. It was built in 2010, so it is 15 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 662 vehicles a day, roughly 4% of them trucks, projected to reach 979 by 2043. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNorthwood Road
CrossesBuzzels Run Brook
LocationTown RD 1.1MI Norwd Tl
Coordinates43.25887, -71.20278
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal 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 alignment7: Better than present minimum criteria
Operating rating65.7 US tons
Inventory rating39.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic662 (2023)
Projected traffic979 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Northwood Road over Buzzels Run Brook built?

It was built in 2010, making it 15 years old in 2025.

What condition is Northwood Road over Buzzels Run 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 2024.

How much traffic does Northwood Road over Buzzels Run Brook carry?

About 662 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Northwood Road over Buzzels Run Brook?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 28 ft wide.

Who owns Northwood Road over Buzzels Run Brook?

It is owned by the City or Municipal Highway Agency.