US Bridges

Bumps Intervale over Beebe River

FairPosted for load

Grafton County, New Hampshire · 80 Ft FR Perch Pond RD · Structure no. 003501630008200

Built
1877
148 years old, rebuilt 1972
Condition
Fair
inspected September 2023
Type
Truss - Thru
Wood or Timber
Length
84 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bumps Intervale over Beebe River is a wood or timber truss - thru carrying Bumps Intervale over Beebe River in Grafton County, New Hampshire. It was built in 1877 and reconstructed in 1972, so it is 148 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 84 ft (25.6 m) long and 14 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBumps Intervale
CrossesBeebe River
Location80 Ft FR Perch Pond RD
Coordinates43.81454, -71.62179
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating10.1 US tons
Inventory rating7.1 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length84 ft (25.6 m)
Longest span62 ft (18.9 m)
Deck width14 ft (4.2 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deck10 ft (2.9 m)

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 closed1.9 mi (3 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 Bumps Intervale over Beebe River built?

It was built in 1877, making it 148 years old in 2025. It was reconstructed in 1972.

What condition is Bumps Intervale over Beebe River 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 Bumps Intervale over Beebe River carry?

About 96 vehicles per day (2023 count).

How long is Bumps Intervale over Beebe River?

The structure is 84 ft (25.6 m) long with a longest span of 62 ft (18.9 m) and a deck 14 ft wide.

Who owns Bumps Intervale over Beebe River?

It is owned by the City or Municipal Highway Agency.