US Bridges

Staniels Road over Soucook River

Good

Merrimack County, New Hampshire · 0.7 MI FR Chichester Tl · Structure no. 015500440004800

Built
2001
24 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
510
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Staniels Road over Soucook River is a prestressed concrete box beam or girders - multiple carrying Staniels Road over Soucook River in Merrimack County, New Hampshire. It was built in 2001, so it is 24 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 510 vehicles a day, projected to reach 754 by 2043. The structure is 86 ft (26.2 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesStaniels Road
CrossesSoucook River
Location0.7 MI FR Chichester Tl
Coordinates43.25572, -71.45455
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating88.7 US tons
Inventory rating53.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length86 ft (26.2 m)
Longest span84 ft (25.6 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2023)
Projected traffic754 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
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 Staniels Road over Soucook River built?

It was built in 2001, making it 24 years old in 2025.

What condition is Staniels Road over Soucook River 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 2023.

How much traffic does Staniels Road over Soucook River carry?

About 510 vehicles per day (2023 count).

How long is Staniels Road over Soucook River?

The structure is 86 ft (26.2 m) long with a longest span of 84 ft (25.6 m) and a deck 32 ft wide.

Who owns Staniels Road over Soucook River?

It is owned by the City or Municipal Highway Agency.