US Bridges

Ossipee Trl over Mill Brook

Poor

Oxford County, Maine · .15 MI Ely RTE 160 South · Structure no. 2872

Built
1920
105 years old
Condition
Poor
inspected January 2025
Type
Frame
Concrete
Length
23 ft
1 main span
Daily traffic
3,172
2016 count
Owner
State
State Highway Agency

About this bridge

Ossipee Trl over Mill Brook is a concrete frame carrying Ossipee Trl over Mill Brook in Oxford County, Maine. It was built in 1920, so it is 105 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,172 vehicles a day, roughly 5% of them trucks, projected to reach 4,441 by 2036. The structure is 23 ft (7 m) long and 28 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesOssipee Trl
CrossesMill Brook
Location.15 MI Ely RTE 160 South
RouteState Highway 25
StateMaine
Coordinates43.79592, -70.93313
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,172 (2016)
Projected traffic4,441 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 Ossipee Trl over Mill Brook built?

It was built in 1920, making it 105 years old in 2025.

What condition is Ossipee Trl over Mill Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does Ossipee Trl over Mill Brook carry?

About 3,172 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Ossipee Trl over Mill Brook?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 28 ft wide.

Who owns Ossipee Trl over Mill Brook?

It is owned by the State Highway Agency.