US Bridges

Stage Road over Blow-Me-Down Brook

Poor

Sullivan County, New Hampshire · 2.0 MI SE JCT 12A · Structure no. 021300960007900

Built
1954
71 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
574
2023 count
Owner
State
State Highway Agency

About this bridge

Stage Road over Blow-Me-Down Brook is a steel stringer/multi-beam or girder carrying Stage Road over Blow-Me-Down Brook in Sullivan County, New Hampshire. It was built in 1954, so it is 71 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 574 vehicles a day, roughly 10% of them trucks, projected to reach 849 by 2043. The structure is 73 ft (22.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesStage Road
CrossesBlow-Me-Down Brook
Location2.0 MI SE JCT 12A
RouteState Highway 0
Coordinates43.52429, -72.32754
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 8 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.7 US tons
Inventory rating16.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length73 ft (22.3 m)
Longest span66 ft (20.1 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic574 (2023)
Projected traffic849 by 2043
Trucks10%
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

OwnerState Highway Agency
Maintained byState 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 Stage Road over Blow-Me-Down Brook built?

It was built in 1954, making it 71 years old in 2025.

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

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

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

About 574 vehicles per day (2023 count), of which roughly 10% are trucks.

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

The structure is 73 ft (22.3 m) long with a longest span of 66 ft (20.1 m) and a deck 28 ft wide.

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

It is owned by the State Highway Agency.