US Bridges

Nichols Hill Road over Pond Brook

Fair

Grafton County, New Hampshire · 0.09MI NH25A · Structure no. 026901000014500

Built
1940
85 years old, rebuilt 1996
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nichols Hill Road over Pond Brook is a steel stringer/multi-beam or girder carrying Nichols Hill Road over Pond Brook in Grafton County, New Hampshire. It was built in 1940 and reconstructed in 1996, 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 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 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 34 ft (10.4 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNichols Hill Road
CrossesPond Brook
Location0.09MI NH25A
Coordinates43.88632, -71.9562
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating30.6 US tons
Inventory rating23 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span28 ft (8.5 m)
Deck width16 ft (4.9 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic142 by 2043
Trucks4%
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 Nichols Hill Road over Pond Brook built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1996.

What condition is Nichols Hill Road over Pond 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 September 2023.

How much traffic does Nichols Hill Road over Pond Brook carry?

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

How long is Nichols Hill Road over Pond Brook?

The structure is 34 ft (10.4 m) long with a longest span of 28 ft (8.5 m) and a deck 16 ft wide.

Who owns Nichols Hill Road over Pond Brook?

It is owned by the City or Municipal Highway Agency.