US Bridges

Troy RD over 25 Mile Stream

Poor

Waldo County, Maine · 0.6 MI E of RTE 11 & 100 · Structure no. 5144

Built
1921
104 years old
Condition
Poor
inspected August 2023
Type
Tee Beam
Concrete
Length
77 ft
2 main spans
Daily traffic
1,263
2016 count
Owner
State
State Highway Agency

About this bridge

Troy RD over 25 Mile Stream is a concrete tee beam carrying Troy RD over 25 Mile Stream in Waldo County, Maine. It was built in 1921, so it is 104 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 1,263 vehicles a day, roughly 5% of them trucks, projected to reach 1,895 by 2036. The structure is 77 ft (23.5 m) long and 23 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesTroy RD
Crosses25 Mile Stream
Location0.6 MI E of RTE 11 & 100
RouteCounty Highway 0
StateMaine
Coordinates44.68926, -69.41795
Functional classRural Minor Collector

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
Deck4 PoorAdvanced section loss, deterioration, 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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating40.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length77 ft (23.5 m)
Longest span38 ft (11.5 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,263 (2016)
Projected traffic1,895 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Troy RD over 25 Mile Stream built?

It was built in 1921, making it 104 years old in 2025.

What condition is Troy RD over 25 Mile Stream 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 August 2023.

How much traffic does Troy RD over 25 Mile Stream carry?

About 1,263 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Troy RD over 25 Mile Stream?

The structure is 77 ft (23.5 m) long with a longest span of 38 ft (11.5 m) and a deck 23 ft wide.

Who owns Troy RD over 25 Mile Stream?

It is owned by the State Highway Agency.