US Bridges

Bristol Hill Road over Newfound River

Fair

Grafton County, New Hampshire · 0.9 MI Alexandria Tl · Structure no. 003200970006900

Built
1982
43 years old
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
1,382
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bristol Hill Road over Newfound River is a prestressed concrete slab carrying Bristol Hill Road over Newfound River in Grafton County, New Hampshire. It was built in 1982, so it is 43 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 fair condition with a lowest component rating of 6 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 1,382 vehicles a day, roughly 4% of them trucks, projected to reach 2,045 by 2043. The structure is 48 ft (14.6 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesBristol Hill Road
CrossesNewfound River
Location0.9 MI Alexandria Tl
CountyGrafton County
StateNew Hampshire
Coordinates43.59595, -71.74928
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length48 ft (14.6 m)
Longest span45 ft (13.7 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,382 (2023)
Projected traffic2,045 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Bristol Hill Road over Newfound River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Bristol Hill 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 August 2023.

How much traffic does Bristol Hill Road over Newfound River carry?

About 1,382 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Bristol Hill Road over Newfound River?

The structure is 48 ft (14.6 m) long with a longest span of 45 ft (13.7 m) and a deck 24 ft wide.

Who owns Bristol Hill Road over Newfound River?

It is owned by the City or Municipal Highway Agency.