US Bridges

Nh 25 NH118 over Baker River

Fair

Grafton County, New Hampshire · At Wentworth Townline · Structure no. 026401100004700

Built
2006
19 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
163 ft
1 main span
Daily traffic
2,141
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 25 NH118 over Baker River is a steel stringer/multi-beam or girder carrying Nh 25 NH118 over Baker River in Grafton County, New Hampshire. It was built in 2006, so it is 19 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 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 2,141 vehicles a day, roughly 3% of them trucks, projected to reach 3,168 by 2043. The structure is 163 ft (49.6 m) long and 39 ft wide.

Location

Open in Google Maps
CarriesNh 25 NH118
CrossesBaker River
LocationAt Wentworth Townline
RouteState Highway 25
CountyGrafton County
StateNew Hampshire
Coordinates43.89967, -71.89677
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.2 US tons
Inventory rating54 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length163 ft (49.6 m)
Longest span157 ft (48 m)
Deck width39 ft (12 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,141 (2023)
Projected traffic3,168 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nh 25 NH118 over Baker River built?

It was built in 2006, making it 19 years old in 2025.

What condition is Nh 25 NH118 over Baker 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 March 2024.

How much traffic does Nh 25 NH118 over Baker River carry?

About 2,141 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Nh 25 NH118 over Baker River?

The structure is 163 ft (49.6 m) long with a longest span of 157 ft (48 m) and a deck 39 ft wide.

Who owns Nh 25 NH118 over Baker River?

It is owned by the State Highway Agency.