US Bridges

Wilsons Mills over Magalloway R

Fair

Oxford County, Maine · 403 MI Wly Adamstown Twp · Structure no. 3495

Built
1982
43 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
101 ft
1 main span
Daily traffic
310
2016 count
Owner
State
State Highway Agency

About this bridge

Wilsons Mills over Magalloway R is a steel stringer/multi-beam or girder carrying Wilsons Mills over Magalloway R in Oxford County, Maine. It was built in 1982, so it is 43 years old, younger 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 310 vehicles a day, roughly 5% of them trucks, projected to reach 496 by 2036. The structure is 101 ft (30.8 m) long and 31 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesWilsons Mills
CrossesMagalloway R
Location403 MI Wly Adamstown Twp
RouteState Highway 16
CountyOxford County
StateMaine
Coordinates44.94412, -70.99927
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78.6 US tons
Inventory rating60.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length101 ft (30.8 m)
Longest span95 ft (29 m)
Deck width31 ft (9.5 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2016)
Projected traffic496 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 Wilsons Mills over Magalloway R built?

It was built in 1982, making it 43 years old in 2025.

What condition is Wilsons Mills over Magalloway R 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 2023.

How much traffic does Wilsons Mills over Magalloway R carry?

About 310 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Wilsons Mills over Magalloway R?

The structure is 101 ft (30.8 m) long with a longest span of 95 ft (29 m) and a deck 31 ft wide.

Who owns Wilsons Mills over Magalloway R?

It is owned by the State Highway Agency.