US Bridges

S Stagecoach RD over Alder Stream

Fair

Piscataquis County, Maine · 3.2 MI N of Charleston · Structure no. 3134

Built
1935
90 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
492
2016 count
Owner
State
State Highway Agency

About this bridge

S Stagecoach RD over Alder Stream is a concrete tee beam carrying S Stagecoach RD over Alder Stream in Piscataquis County, Maine. It was built in 1935, 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 fair condition with a lowest component rating of 5 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 492 vehicles a day, roughly 5% of them trucks, projected to reach 787 by 2036. The structure is 34 ft (10.5 m) long and 25 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesS Stagecoach RD
CrossesAlder Stream
Location3.2 MI N of Charleston
RouteCounty Highway 0
StateMaine
Coordinates45.16044, -69.08069
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating101.7 US tons
Inventory rating78.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length34 ft (10.5 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic492 (2016)
Projected traffic787 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 S Stagecoach RD over Alder Stream built?

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

What condition is S Stagecoach RD over Alder Stream 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 July 2023.

How much traffic does S Stagecoach RD over Alder Stream carry?

About 492 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is S Stagecoach RD over Alder Stream?

The structure is 34 ft (10.5 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns S Stagecoach RD over Alder Stream?

It is owned by the State Highway Agency.