US Bridges

Westgate Road over Blow-Me-Down Brook

Fair

Sullivan County, New Hampshire · 0.5 Mi. RTE.12A · Structure no. 021300740008700

Built
1981
44 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
143
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Westgate Road over Blow-Me-Down Brook is a steel culvert carrying Westgate Road over Blow-Me-Down Brook in Sullivan County, New Hampshire. It was built in 1981, so it is 44 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 5 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 143 vehicles a day, roughly 4% of them trucks, projected to reach 211 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesWestgate Road
CrossesBlow-Me-Down Brook
Location0.5 Mi. RTE.12A
CountySullivan County
StateNew Hampshire
Coordinates43.52951, -72.3489
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating37.6 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 traffic143 (2023)
Projected traffic211 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 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 Westgate Road over Blow-Me-Down Brook built?

It was built in 1981, making it 44 years old in 2025.

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

About 143 vehicles per day (2023 count), of which roughly 4% are trucks.

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

It is owned by the City or Municipal Highway Agency.