US Bridges

Station Road over Chandler Brook

Good

Hillsborough County, New Hampshire · 0.3 MI to JCT US 3 · Structure no. 001901960012700

Built
2007
18 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
571
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Station Road over Chandler Brook is a concrete culvert carrying Station Road over Chandler Brook in Hillsborough County, New Hampshire. It was built in 2007, so it is 18 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 571 vehicles a day, roughly 5% of them trucks, projected to reach 845 by 2043. The structure is 26 ft (7.9 m) long.

CarriesStation Road
CrossesChandler Brook
Location0.3 MI to JCT US 3
Coordinates42.94396, -71.46563
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic571 (2023)
Projected traffic845 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Station Road over Chandler Brook built?

It was built in 2007, making it 18 years old in 2025.

What condition is Station Road over Chandler 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 July 2024.

How much traffic does Station Road over Chandler Brook carry?

About 571 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Station Road over Chandler Brook?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m).

Who owns Station Road over Chandler Brook?

It is owned by the City or Municipal Highway Agency.