US Bridges

Nh 97 over Spicket River

Fair

Rockingham County, New Hampshire · .5MI W Mass Sl · Structure no. 022801180010400

Built
1958
67 years old, rebuilt 1994
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
1 main span
Daily traffic
16,144
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 97 over Spicket River is a steel stringer/multi-beam or girder carrying Nh 97 over Spicket River in Rockingham County, New Hampshire. It was built in 1958 and reconstructed in 1994, so it is 67 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 6 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 16,144 vehicles a day, roughly 5% of them trucks, projected to reach 23,893 by 2043. The structure is 58 ft (17.7 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNh 97
CrossesSpicket River
Location.5MI W Mass Sl
RouteState Highway 97
Coordinates42.79285, -71.19664
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating49.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length58 ft (17.7 m)
Longest span54 ft (16.5 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,144 (2023)
Projected traffic23,893 by 2043
Trucks5%
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

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 Nh 97 over Spicket River built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1994.

What condition is Nh 97 over Spicket 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 May 2023.

How much traffic does Nh 97 over Spicket River carry?

About 16,144 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Nh 97 over Spicket River?

The structure is 58 ft (17.7 m) long with a longest span of 54 ft (16.5 m) and a deck 48 ft wide.

Who owns Nh 97 over Spicket River?

It is owned by the State Highway Agency.