US Bridges

Red Fox Crossing over Nelson Brook

Good

Hillsborough County, New Hampshire · Town Road · Structure no. 012201580008000

Built
2021
4 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
100
1993 count
Owner
Local
Other Local Agency

About this bridge

Red Fox Crossing over Nelson Brook is a concrete culvert carrying Red Fox Crossing over Nelson Brook in Hillsborough 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 148 by 2013. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesRed Fox Crossing
CrossesNelson Brook
LocationTown Road
Coordinates43.14847, -71.89398
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 protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1993)
Projected traffic148 by 2013
Trucks5%
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

OwnerOther Local Agency
Maintained byOther Local 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 Red Fox Crossing over Nelson Brook built?

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

What condition is Red Fox Crossing over Nelson 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 October 2024.

How much traffic does Red Fox Crossing over Nelson Brook carry?

About 100 vehicles per day (1993 count), of which roughly 5% are trucks.

How long is Red Fox Crossing over Nelson Brook?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m).

Who owns Red Fox Crossing over Nelson Brook?

It is owned by the Other Local Agency.