US Bridges

Arch Street over Black Brook

Good

Cheshire County, New Hampshire · 2.3 MI NE from JCT Nh 9 · Structure no. 013600900008400

Built
1992
33 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
3,131
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Arch Street over Black Brook is a concrete culvert carrying Arch Street over Black Brook in Cheshire County, New Hampshire. It was built in 1992, so it is 33 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,131 vehicles a day, roughly 3% of them trucks, projected to reach 4,633 by 2043. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesArch Street
CrossesBlack Brook
Location2.3 MI NE from JCT Nh 9
RouteCity Street 0
Coordinates42.93826, -72.32098
Functional classUrban 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.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,131 (2023)
Projected traffic4,633 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Arch Street over Black Brook built?

It was built in 1992, making it 33 years old in 2025.

What condition is Arch Street over Black 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 2023.

How much traffic does Arch Street over Black Brook carry?

About 3,131 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Arch Street over Black Brook?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m).

Who owns Arch Street over Black Brook?

It is owned by the City or Municipal Highway Agency.