US Bridges

Hell Hollow Road over Blow-Me-Down Brook

Fair

Sullivan County, New Hampshire · 0.2 MI from Cornish Tl · Structure no. 021300980007600

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
132
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hell Hollow Road over Blow-Me-Down Brook is a steel culvert carrying Hell Hollow Road over Blow-Me-Down Brook in Sullivan County, New Hampshire. It was built in 1975, so it is 50 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 132 vehicles a day, roughly 4% of them trucks, projected to reach 195 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHell Hollow Road
CrossesBlow-Me-Down Brook
Location0.2 MI from Cornish Tl
CountySullivan County
StateNew Hampshire
Coordinates43.52278, -72.32545
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.3 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 traffic132 (2023)
Projected traffic195 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
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 Hell Hollow Road over Blow-Me-Down Brook built?

It was built in 1975, making it 50 years old in 2025.

What condition is Hell Hollow Road over Blow-Me-Down Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Hell Hollow Road over Blow-Me-Down Brook carry?

About 132 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Hell Hollow Road over Blow-Me-Down Brook?

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

Who owns Hell Hollow Road over Blow-Me-Down Brook?

It is owned by the City or Municipal Highway Agency.