US Bridges

W Main ST over Moose Pond Outlet

Fair

Oxford County, Maine · 0.3 MI W of JCT RTE 117 · Structure no. 5410

Built
1912
113 years old, rebuilt 1992
Condition
Fair
inspected December 2024
Type
Arch - Deck
Concrete
Length
36 ft
1 main span
Daily traffic
1,614
2016 count
Owner
State
State Highway Agency

About this bridge

W Main ST over Moose Pond Outlet is a concrete arch - deck carrying W Main ST over Moose Pond Outlet in Oxford County, Maine. It was built in 1912 and reconstructed in 1992, so it is 113 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 5 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 1,614 vehicles a day, roughly 5% of them trucks, projected to reach 2,421 by 2036. The structure is 36 ft (11 m) long and 26 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesW Main ST
CrossesMoose Pond Outlet
Location0.3 MI W of JCT RTE 117
RouteCounty Highway 160
StateMaine
Coordinates43.97141, -70.80947
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating33 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckOther
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span26 ft (7.9 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,614 (2016)
Projected traffic2,421 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

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 W Main ST over Moose Pond Outlet built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1992.

What condition is W Main ST over Moose Pond Outlet 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 December 2024.

How much traffic does W Main ST over Moose Pond Outlet carry?

About 1,614 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is W Main ST over Moose Pond Outlet?

The structure is 36 ft (11 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns W Main ST over Moose Pond Outlet?

It is owned by the State Highway Agency.