US Bridges

Nh 25 NH118 over Baker River

Good

Grafton County, New Hampshire · 2.0 MI from Rumney Tl · Structure no. 026901460009000

Built
1960
65 years old, rebuilt 2013
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
204 ft
3 main spans
Daily traffic
3,418
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 25 NH118 over Baker River is a steel continuous stringer/multi-beam or girder carrying Nh 25 NH118 over Baker River in Grafton County, New Hampshire. It was built in 1960 and reconstructed in 2013, so it is 65 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,418 vehicles a day, roughly 7% of them trucks, projected to reach 5,058 by 2043. The structure is 204 ft (62.3 m) long and 43 ft wide. If it were closed, the detour would be 57.2 mi (92 km).

CarriesNh 25 NH118
CrossesBaker River
Location2.0 MI from Rumney Tl
RouteState Highway 25
Coordinates43.84618, -71.91057
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.5 US tons
Inventory rating76.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length204 ft (62.3 m)
Longest span72 ft (21.9 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,418 (2023)
Projected traffic5,058 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed57.2 mi (92 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
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 1960, making it 65 years old in 2025. It was reconstructed in 2013.

What condition is Nh 25 NH118 over Baker 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 August 2024.

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

About 3,418 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Nh 25 NH118 over Baker River?

The structure is 204 ft (62.3 m) long with a longest span of 72 ft (21.9 m) and a deck 43 ft wide.

Who owns Nh 25 NH118 over Baker River?

It is owned by the State Highway Agency.