US Bridges

Pinnacle Hill Road over I-93

Fair

Belknap County, New Hampshire · 1.1 MI Meredith Tl · Structure no. 018401340005100

Built
1963
62 years old, rebuilt 1993
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
300 ft
5 main spans
Daily traffic
129
2023 count
Owner
State
State Highway Agency

About this bridge

Pinnacle Hill Road over I-93 is a steel continuous stringer/multi-beam or girder carrying Pinnacle Hill Road over I-93 in Belknap County, New Hampshire. It was built in 1963 and reconstructed in 1993, so it is 62 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 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 129 vehicles a day, roughly 4% of them trucks, projected to reach 190 by 2043. The structure is 300 ft (91.4 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPinnacle Hill Road
CrossesI-93
Location1.1 MI Meredith Tl
CountyBelknap County
StateNew Hampshire
Coordinates43.60751, -71.63921
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating46.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length300 ft (91.4 m)
Longest span68 ft (20.7 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129 (2023)
Projected traffic190 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Pinnacle Hill Road over I-93 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1993.

What condition is Pinnacle Hill Road over I-93 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 May 2023.

How much traffic does Pinnacle Hill Road over I-93 carry?

About 129 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Pinnacle Hill Road over I-93?

The structure is 300 ft (91.4 m) long with a longest span of 68 ft (20.7 m) and a deck 34 ft wide.

Who owns Pinnacle Hill Road over I-93?

It is owned by the State Highway Agency.