US Bridges

Bennett Street over Pond Brook

Good

Carroll County, New Hampshire · 0.9 MI FR Intervale RD · Structure no. 023301780016300

Built
1979
46 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
58
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bennett Street over Pond Brook is a steel stringer/multi-beam or girder carrying Bennett Street over Pond Brook in Carroll County, New Hampshire. It was built in 1979, so it is 46 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 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 58 vehicles a day, roughly 4% of them trucks, projected to reach 85 by 2043. The structure is 57 ft (17.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBennett Street
CrossesPond Brook
Location0.9 MI FR Intervale RD
Coordinates43.88295, -71.4184
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span52 ft (15.8 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2023)
Projected traffic85 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-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 Bennett Street over Pond Brook built?

It was built in 1979, making it 46 years old in 2025.

What condition is Bennett Street over Pond 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 2024.

How much traffic does Bennett Street over Pond Brook carry?

About 58 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Bennett Street over Pond Brook?

The structure is 57 ft (17.4 m) long with a longest span of 52 ft (15.8 m) and a deck 28 ft wide.

Who owns Bennett Street over Pond Brook?

It is owned by the City or Municipal Highway Agency.