US Bridges

Chase Road over Ore Hill Brook

FairPosted for load

Grafton County, New Hampshire · O.1 MI West Nh 25 · Structure no. 026401170007200

Built
1950
75 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
36 ft
2 main spans
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Chase Road over Ore Hill Brook is a wood or timber stringer/multi-beam or girder carrying Chase Road over Ore Hill Brook in Grafton County, New Hampshire. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 96 vehicles a day, projected to reach 142 by 2043. The structure is 36 ft (11 m) long and 16 ft wide.

CarriesChase Road
CrossesOre Hill Brook
LocationO.1 MI West Nh 25
Coordinates43.91646, -71.88948
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating23.4 US tons
Inventory rating16.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length36 ft (11 m)
Longest span15 ft (4.6 m)
Deck width16 ft (4.8 m)
Roadway width15 ft (4.5 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 closed—
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 Chase Road over Ore Hill Brook built?

It was built in 1950, making it 75 years old in 2025.

What condition is Chase Road over Ore Hill 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 October 2024.

How much traffic does Chase Road over Ore Hill Brook carry?

About 96 vehicles per day (2023 count).

How long is Chase Road over Ore Hill Brook?

The structure is 36 ft (11 m) long with a longest span of 15 ft (4.6 m) and a deck 16 ft wide.

Who owns Chase Road over Ore Hill Brook?

It is owned by the City or Municipal Highway Agency.