US Bridges

Trestle Road over Piscataquis River

Poor

Piscataquis County, Maine · 0.4 MI S Milo/Howland RD · Structure no. 0484

Built
1907
118 years old, rebuilt 1981
Condition
Poor
inspected September 2024
Type
Truss - Deck
Steel
Length
607 ft
3 main spans
Daily traffic
103
2016 count
Owner
State
State Highway Agency

About this bridge

Trestle Road over Piscataquis River is a steel truss - deck carrying Trestle Road over Piscataquis River in Piscataquis County, Maine. It was built in 1907 and reconstructed in 1981, so it is 118 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 103 vehicles a day, roughly 5% of them trucks, projected to reach 165 by 2036. The structure is 607 ft (185 m) long and 13 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesTrestle Road
CrossesPiscataquis River
Location0.4 MI S Milo/Howland RD
RouteCity Street 0
StateMaine
Coordinates45.26725, -68.84428
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 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 rating61.1 US tons
Inventory rating47.2 US tons

Structure

Structure typeTruss - Deck
MaterialSteel
DeckWood or timber
Main spans3 (+2 approach)
Design loadHS 20 + Mod
Structure length607 ft (185 m)
Longest span153 ft (46.7 m)
Deck width13 ft (4.1 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103 (2016)
Projected traffic165 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Trestle Road over Piscataquis River built?

It was built in 1907, making it 118 years old in 2025. It was reconstructed in 1981.

What condition is Trestle Road over Piscataquis River 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 September 2024.

How much traffic does Trestle Road over Piscataquis River carry?

About 103 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Trestle Road over Piscataquis River?

The structure is 607 ft (185 m) long with a longest span of 153 ft (46.7 m) and a deck 13 ft wide.

Who owns Trestle Road over Piscataquis River?

It is owned by the State Highway Agency.