US Bridges

Buffalo Road over Stevens Brook

Good

Grafton County, New Hampshire · 0.56MI Rumney Tl · Structure no. 026901720007600

Built
1947
78 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Buffalo Road over Stevens Brook is a steel stringer/multi-beam or girder carrying Buffalo Road over Stevens Brook in Grafton County, New Hampshire. It was built in 1947, so it is 78 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, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 72 ft (21.9 m) long and 22 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesBuffalo Road
CrossesStevens Brook
Location0.56MI Rumney Tl
CountyGrafton County
StateNew Hampshire
Coordinates43.83594, -71.88562
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating22 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length72 ft (21.9 m)
Longest span65 ft (19.8 m)
Deck width22 ft (6.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic142 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Buffalo Road over Stevens Brook built?

It was built in 1947, making it 78 years old in 2025.

What condition is Buffalo Road over Stevens 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 September 2023.

How much traffic does Buffalo Road over Stevens Brook carry?

About 96 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Buffalo Road over Stevens Brook?

The structure is 72 ft (21.9 m) long with a longest span of 65 ft (19.8 m) and a deck 22 ft wide.

Who owns Buffalo Road over Stevens Brook?

It is owned by the City or Municipal Highway Agency.