US Bridges

No Data Entered over Louiseville Brook

Fair

Carroll County, New Hampshire · Map 32 · Structure no. 092205000003180

Built
1953
72 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
27 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over Louiseville Brook is a wood or timber stringer/multi-beam or girder carrying No Data Entered over Louiseville Brook in Carroll County, New Hampshire. It was built in 1953, so it is 72 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 27 ft (8.2 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesNo Data Entered
CrossesLouiseville Brook
LocationMap 32
RouteFederal Lands Road XB443
Coordinates44.04946, -71.27849
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34 US tons
Inventory rating26.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length27 ft (8.2 m)
Longest span25 ft (7.7 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was No Data Entered over Louiseville Brook built?

It was built in 1953, making it 72 years old in 2025.

What condition is No Data Entered over Louiseville Brook 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 October 2023.

How much traffic does No Data Entered over Louiseville Brook carry?

About 50 vehicles per day (latest count).

How long is No Data Entered over Louiseville Brook?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.7 m) and a deck 16 ft wide.

Who owns No Data Entered over Louiseville Brook?

It is owned by the U.S. Forest Service.