US Bridges

Main ST over Moose River

Good

Somerset County, Maine · 1.7 MI N JCT Rtes 6 & 15 · Structure no. 2583

Built
2004
21 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
2 main spans
Daily traffic
3,170
2016 count
Owner
State
State Highway Agency

About this bridge

Main ST over Moose River is a steel continuous stringer/multi-beam or girder carrying Main ST over Moose River in Somerset County, Maine. It was built in 2004, so it is 21 years old, younger than the Maine average of 53.7 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 3,170 vehicles a day, roughly 5% of them trucks, projected to reach 4,438 by 2036. The structure is 201 ft (61.2 m) long and 48 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesMain ST
CrossesMoose River
Location1.7 MI N JCT Rtes 6 & 15
RouteState Highway 201
StateMaine
Coordinates45.63657, -70.26209
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating68.6 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length201 ft (61.2 m)
Longest span98 ft (30 m)
Deck width48 ft (14.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,170 (2016)
Projected traffic4,438 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Main ST over Moose River built?

It was built in 2004, making it 21 years old in 2025.

What condition is Main ST over Moose 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 October 2023.

How much traffic does Main ST over Moose River carry?

About 3,170 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main ST over Moose River?

The structure is 201 ft (61.2 m) long with a longest span of 98 ft (30 m) and a deck 48 ft wide.

Who owns Main ST over Moose River?

It is owned by the State Highway Agency.