US Bridges

North Shore Road over Georges Brook

Good

Grafton County, New Hampshire · 0.41 Mi. from Jct. 3-A · Structure no. 011801250011200

Built
1900
125 years old, rebuilt 1995
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
1,167
2023 count
Owner
State
State Highway Agency

About this bridge

North Shore Road over Georges Brook is a concrete slab carrying North Shore Road over Georges Brook in Grafton County, New Hampshire. It was built in 1900 and reconstructed in 1995, so it is 125 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 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 1,167 vehicles a day, roughly 10% of them trucks, projected to reach 1,727 by 2043. The structure is 24 ft (7.3 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesNorth Shore Road
CrossesGeorges Brook
Location0.41 Mi. from Jct. 3-A
RouteState Highway 0
CountyGrafton County
StateNew Hampshire
Coordinates43.70169, -71.77701
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating72.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,167 (2023)
Projected traffic1,727 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 North Shore Road over Georges Brook built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1995.

What condition is North Shore Road over Georges Brook 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 May 2024.

How much traffic does North Shore Road over Georges Brook carry?

About 1,167 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is North Shore Road over Georges Brook?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 31 ft wide.

Who owns North Shore Road over Georges Brook?

It is owned by the State Highway Agency.