US Bridges

Pond Road over Beaver Brook

Good

Rockingham County, New Hampshire · 0.3MI NH102 · Structure no. 006300880012400

Built
1935
90 years old, rebuilt 2001
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
511
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pond Road over Beaver Brook is a prestressed concrete slab carrying Pond Road over Beaver Brook in Rockingham County, New Hampshire. It was built in 1935 and reconstructed in 2001, so it is 90 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 511 vehicles a day, roughly 4% of them trucks, projected to reach 756 by 2043. The structure is 23 ft (7 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPond Road
CrossesBeaver Brook
Location0.3MI NH102
Coordinates42.90154, -71.29923
Functional classUrban 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 protection7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating94.1 US tons
Inventory rating56.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic511 (2023)
Projected traffic756 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Pond Road over Beaver Brook built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2001.

What condition is Pond Road over Beaver 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 Pond Road over Beaver Brook carry?

About 511 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Pond Road over Beaver Brook?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns Pond Road over Beaver Brook?

It is owned by the City or Municipal Highway Agency.