US Bridges

Desmond RD over Alder Stream

PoorPosted for load

Piscataquis County, Maine · .3 MI W Rt 11 · Structure no. 0954

Built
1935
90 years old, rebuilt 2012
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
63
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Desmond RD over Alder Stream is a steel stringer/multi-beam or girder carrying Desmond RD over Alder Stream in Piscataquis County, Maine. It was built in 1935 and reconstructed in 2012, so it is 90 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 3 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. Its operating status is: posted for load restriction.

It carries about 63 vehicles a day, roughly 5% of them trucks, projected to reach 101 by 2036. The structure is 29 ft (8.8 m) long and 16 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesDesmond RD
CrossesAlder Stream
Location.3 MI W Rt 11
RouteCity Street 0
StateMaine
Coordinates45.22276, -68.97874
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating23.9 US tons
Inventory rating18.5 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width16 ft (4.8 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63 (2016)
Projected traffic101 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Desmond RD over Alder Stream built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2012.

What condition is Desmond RD over Alder 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 September 2024.

How much traffic does Desmond RD over Alder Stream carry?

About 63 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Desmond RD over Alder Stream?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 16 ft wide.

Who owns Desmond RD over Alder Stream?

It is owned by the Town or Township Highway Agency.