US Bridges

Nh 25 NH118 over S Branch Baker River

Fair

Grafton County, New Hampshire · 0.1 MI W of Rumney Tl · Structure no. 026901660005900

Built
1978
47 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
218 ft
3 main spans
Daily traffic
3,993
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 25 NH118 over S Branch Baker River is a steel continuous stringer/multi-beam or girder carrying Nh 25 NH118 over S Branch Baker River in Grafton County, New Hampshire. It was built in 1978, so it is 47 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 6 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 3,993 vehicles a day, roughly 7% of them trucks, projected to reach 5,909 by 2043. The structure is 218 ft (66.4 m) long and 47 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesNh 25 NH118
CrossesS Branch Baker River
Location0.1 MI W of Rumney Tl
RouteState Highway 25
CountyGrafton County
StateNew Hampshire
Coordinates43.82355, -71.89217
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.9 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length218 ft (66.4 m)
Longest span84 ft (25.6 m)
Deck width47 ft (14.2 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,993 (2023)
Projected traffic5,909 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 S Branch Baker River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nh 25 NH118 over S Branch 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 June 2024.

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

About 3,993 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Nh 25 NH118 over S Branch Baker River?

The structure is 218 ft (66.4 m) long with a longest span of 84 ft (25.6 m) and a deck 47 ft wide.

Who owns Nh 25 NH118 over S Branch Baker River?

It is owned by the State Highway Agency.