US Bridges

Northern RD over Moose River

Fair

Somerset County, Maine · 150 Ft N of Route 6 & 15 · Structure no. 5738

Built
1960
65 years old, rebuilt 2001
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
205 ft
3 main spans
Daily traffic
827
2016 count
Owner
State
State Highway Agency

About this bridge

Northern RD over Moose River is a steel continuous stringer/multi-beam or girder carrying Northern RD over Moose River in Somerset County, Maine. It was built in 1960 and reconstructed in 2001, so it is 65 years old, older than the Maine average of 53.7 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 827 vehicles a day, roughly 5% of them trucks, projected to reach 1,323 by 2036. The structure is 205 ft (62.5 m) long and 29 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesNorthern RD
CrossesMoose River
Location150 Ft N of Route 6 & 15
RouteCity Street 0
StateMaine
Coordinates45.67927, -69.77746
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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length205 ft (62.5 m)
Longest span76 ft (23.2 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic827 (2016)
Projected traffic1,323 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Northern RD over Moose River built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2001.

What condition is Northern RD over Moose 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 November 2024.

How much traffic does Northern RD over Moose River carry?

About 827 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Northern RD over Moose River?

The structure is 205 ft (62.5 m) long with a longest span of 76 ft (23.2 m) and a deck 29 ft wide.

Who owns Northern RD over Moose River?

It is owned by the State Highway Agency.