US Bridges

Farm Road over Blow-Me-Down Brook

Good

Sullivan County, New Hampshire · 45 Ft from Stage RD NO41 · Structure no. 021301220009000

Built
1940
85 years old, rebuilt 1992
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Farm Road over Blow-Me-Down Brook is a prestressed concrete slab carrying Farm Road over Blow-Me-Down Brook in Sullivan County, New Hampshire. It was built in 1940 and reconstructed in 1992, so it is 85 years old, older 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 96 vehicles a day, projected to reach 142 by 2043. The structure is 27 ft (8.2 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesFarm Road
CrossesBlow-Me-Down Brook
Location45 Ft from Stage RD NO41
CountySullivan County
StateNew Hampshire
Coordinates43.53201, -72.30144
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span23 ft (7 m)
Deck width16 ft (4.9 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic142 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Farm Road over Blow-Me-Down Brook built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1992.

What condition is Farm Road over Blow-Me-Down 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 Farm Road over Blow-Me-Down Brook carry?

About 96 vehicles per day (2023 count).

How long is Farm Road over Blow-Me-Down Brook?

The structure is 27 ft (8.2 m) long with a longest span of 23 ft (7 m) and a deck 16 ft wide.

Who owns Farm Road over Blow-Me-Down Brook?

It is owned by the City or Municipal Highway Agency.