US Bridges

Chase Road over Powwow River

Fair

Rockingham County, New Hampshire · .2 Mi. SW of Nh 107-A · Structure no. 023800690008700

Built
1967
58 years old
Condition
Fair
inspected June 2024
Type
Slab
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
610
2023 count
Owner
State
State Highway Agency

About this bridge

Chase Road over Powwow River is a prestressed concrete slab carrying Chase Road over Powwow River in Rockingham County, New Hampshire. It was built in 1967, so it is 58 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 610 vehicles a day, roughly 4% of them trucks, projected to reach 902 by 2043. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesChase Road
CrossesPowwow River
Location.2 Mi. SW of Nh 107-A
RouteState Highway 0
CountyRockingham County
StateNew Hampshire
Coordinates42.89165, -70.99026
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span20 ft (6.1 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2023)
Projected traffic902 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Powwow River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Chase Road over Powwow 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 June 2024.

How much traffic does Chase Road over Powwow River carry?

About 610 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Chase Road over Powwow River?

The structure is 25 ft (7.6 m) long with a longest span of 20 ft (6.1 m) and a deck 28 ft wide.

Who owns Chase Road over Powwow River?

It is owned by the State Highway Agency.