US Bridges

Innovation Drive over Nhncrr

Good

Strafford County, New Hampshire · 0.3 Miles from JCT NH108 · Structure no. 022201540017300

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
177 ft
1 main span
Daily traffic
552
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Innovation Drive over Nhncrr is a steel stringer/multi-beam or girder carrying Innovation Drive over Nhncrr in Strafford County, New Hampshire. It was built in 2013, so it is 12 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 552 vehicles a day, roughly 10% of them trucks, projected to reach 816 by 2043. The structure is 177 ft (54 m) long and 38 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesInnovation Drive
CrossesNhncrr
Location0.3 Miles from JCT NH108
CountyStrafford County
StateNew Hampshire
Coordinates43.28161, -70.91704
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.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating49.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length177 ft (54 m)
Longest span170 ft (51.8 m)
Deck width38 ft (11.6 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic552 (2023)
Projected traffic816 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed100 mi (161 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)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Innovation Drive over Nhncrr built?

It was built in 2013, making it 12 years old in 2025.

What condition is Innovation Drive over Nhncrr 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 Innovation Drive over Nhncrr carry?

About 552 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Innovation Drive over Nhncrr?

The structure is 177 ft (54 m) long with a longest span of 170 ft (51.8 m) and a deck 38 ft wide.

Who owns Innovation Drive over Nhncrr?

It is owned by the City or Municipal Highway Agency.