US Bridges

Spaulding Ave over Canal

Good

Strafford County, New Hampshire · 200 Ft from 030/097 · Structure no. 022200300009600

Built
2012
13 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
52 ft
4 main spans
Daily traffic
1,013
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Spaulding Ave over Canal is a concrete culvert carrying Spaulding Ave over Canal in Strafford County, New Hampshire. It was built in 2012, so it is 13 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 1,013 vehicles a day, roughly 4% of them trucks, projected to reach 1,499 by 2043. The structure is 52 ft (16 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSpaulding Ave
CrossesCanal
Location200 Ft from 030/097
Coordinates43.37363, -70.98158
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length52 ft (16 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,013 (2023)
Projected traffic1,499 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Spaulding Ave over Canal built?

It was built in 2012, making it 13 years old in 2025.

What condition is Spaulding Ave over Canal 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 August 2023.

How much traffic does Spaulding Ave over Canal carry?

About 1,013 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Spaulding Ave over Canal?

The structure is 52 ft (16 m) long with a longest span of 10 ft (3 m).

Who owns Spaulding Ave over Canal?

It is owned by the City or Municipal Highway Agency.