US Bridges

Lafayette Camp Ent over Pemigewasset River

Good

Grafton County, New Hampshire · 0.15 Mifr Franconia Tl · Structure no. 014800880011000

Built
1999
26 years old
Condition
Good
inspected May 2024
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
100
1986 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Lafayette Camp Ent over Pemigewasset River is a concrete frame carrying Lafayette Camp Ent over Pemigewasset River in Grafton County, New Hampshire. It was built in 1999, so it is 26 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 100 vehicles a day, projected to reach 148 by 2006. The structure is 28 ft (8.5 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLafayette Camp Ent
CrossesPemigewasset River
Location0.15 Mifr Franconia Tl
Coordinates44.14341, -71.68348
Functional classRural 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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83.1 US tons
Inventory rating49.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width18 ft (5.5 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1986)
Projected traffic148 by 2006
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lafayette Camp Ent over Pemigewasset River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Lafayette Camp Ent over Pemigewasset River 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 Lafayette Camp Ent over Pemigewasset River carry?

About 100 vehicles per day (1986 count).

How long is Lafayette Camp Ent over Pemigewasset River?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 18 ft wide.

Who owns Lafayette Camp Ent over Pemigewasset River?

It is owned by the State Park, Forest, or Reservation Agency.