US Bridges

Jim Town Road over Moose Brook

Fair

Coos County, New Hampshire · 0.45 MI W JCT US 2 · Structure no. 009700440011300

Built
1975
50 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
610
2023 count
Owner
State
State Highway Agency

About this bridge

Jim Town Road over Moose Brook is a steel stringer/multi-beam or girder carrying Jim Town Road over Moose Brook in Coos County, New Hampshire. It was built in 1975, so it is 50 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 610 vehicles a day, projected to reach 902 by 2043. The structure is 47 ft (14.3 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesJim Town Road
CrossesMoose Brook
Location0.45 MI W JCT US 2
RouteState Highway 0
Coordinates44.40031, -71.22811
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating28.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length47 ft (14.3 m)
Longest span39 ft (11.9 m)
Deck width35 ft (10.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2023)
Projected traffic902 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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 Jim Town Road over Moose Brook built?

It was built in 1975, making it 50 years old in 2025.

What condition is Jim Town Road over Moose Brook 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 May 2024.

How much traffic does Jim Town Road over Moose Brook carry?

About 610 vehicles per day (2023 count).

How long is Jim Town Road over Moose Brook?

The structure is 47 ft (14.3 m) long with a longest span of 39 ft (11.9 m) and a deck 35 ft wide.

Who owns Jim Town Road over Moose Brook?

It is owned by the State Highway Agency.