US Bridges

West Shore Road over Newfound River

Fair

Grafton County, New Hampshire · 2.7 MI from Danbury Tl · Structure no. 003201030010100

Built
1944
81 years old, rebuilt 1950
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
3,318
2023 count
Owner
State
State Highway Agency

About this bridge

West Shore Road over Newfound River is a steel stringer/multi-beam or girder carrying West Shore Road over Newfound River in Grafton County, New Hampshire. It was built in 1944 and reconstructed in 1950, so it is 81 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 5 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 3,318 vehicles a day, roughly 10% of them trucks, projected to reach 4,910 by 2043. The structure is 69 ft (21 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWest Shore Road
CrossesNewfound River
Location2.7 MI from Danbury Tl
RouteState Highway 0
Coordinates43.61832, -71.7391
Functional classRural Minor Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.1 US tons
Inventory rating37.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length69 ft (21 m)
Longest span57 ft (17.4 m)
Deck width27 ft (8.1 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,318 (2023)
Projected traffic4,910 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 West Shore Road over Newfound River built?

It was built in 1944, making it 81 years old in 2025. It was reconstructed in 1950.

What condition is West Shore Road over Newfound 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 July 2023.

How much traffic does West Shore Road over Newfound River carry?

About 3,318 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is West Shore Road over Newfound River?

The structure is 69 ft (21 m) long with a longest span of 57 ft (17.4 m) and a deck 27 ft wide.

Who owns West Shore Road over Newfound River?

It is owned by the State Highway Agency.