US Bridges

Fdr 53 over W.Br Mad River

Good

Grafton County, New Hampshire · Map 38 · Structure no. 092204000001054

Built
1998
27 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
45 ft
1 main span
Daily traffic
99
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 53 over W.Br Mad River is a wood or timber stringer/multi-beam or girder carrying Fdr 53 over W.Br Mad River in Grafton County, New Hampshire. It was built in 1998, so it is 27 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 99 vehicles a day, projected to reach 148 by 2045. The structure is 45 ft (13.7 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 53
CrossesW.Br Mad River
LocationMap 38
RouteFederal Lands Road 53
Coordinates43.96542, -71.51449
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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating43.2 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length45 ft (13.7 m)
Longest span44 ft (13.4 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (—)
Projected traffic148 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 Fdr 53 over W.Br Mad River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Fdr 53 over W.Br Mad 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 September 2024.

How much traffic does Fdr 53 over W.Br Mad River carry?

About 99 vehicles per day (latest count).

How long is Fdr 53 over W.Br Mad River?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.4 m) and a deck 16 ft wide.

Who owns Fdr 53 over W.Br Mad River?

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