US Bridges

Town Forest Road over Cockermouth River

Fair

Grafton County, New Hampshire · 0.1 MI from Groton Road · Structure no. 011800800010600

Built
2007
18 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
50
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Town Forest Road over Cockermouth River is a steel stringer/multi-beam or girder carrying Town Forest Road over Cockermouth River in Grafton County, New Hampshire. It was built in 2007, so it is 18 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 74 by 2028. The structure is 70 ft (21.4 m) long and 19 ft wide.

CarriesTown Forest Road
CrossesCockermouth River
Location0.1 MI from Groton Road
Coordinates43.69781, -71.82277
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating51.1 US tons
Inventory rating30.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length70 ft (21.4 m)
Longest span67 ft (20.4 m)
Deck width19 ft (5.7 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2008)
Projected traffic74 by 2028
Trucks2%
Lanes on structure2
Traffic directionHighway traffic not carried
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Town Forest Road over Cockermouth River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Town Forest Road over Cockermouth 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 Town Forest Road over Cockermouth River carry?

About 50 vehicles per day (2008 count), of which roughly 2% are trucks.

How long is Town Forest Road over Cockermouth River?

The structure is 70 ft (21.4 m) long with a longest span of 67 ft (20.4 m) and a deck 19 ft wide.

Who owns Town Forest Road over Cockermouth River?

It is owned by the City or Municipal Highway Agency.