US Bridges

Andrews RD over Salmon Stream

FairPosted for load

Piscataquis County, Maine · .3 MI N Rt 15 · Structure no. 3873

Built
1955
70 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
41
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Andrews RD over Salmon Stream is a steel stringer/multi-beam or girder carrying Andrews RD over Salmon Stream in Piscataquis County, Maine. It was built in 1955, so it is 70 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. Its operating status is: posted for load restriction.

It carries about 41 vehicles a day, roughly 5% of them trucks, projected to reach 66 by 2036. The structure is 28 ft (8.5 m) long and 17 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesAndrews RD
CrossesSalmon Stream
Location.3 MI N Rt 15
RouteCity Street 0
CountyPiscataquis County
StateMaine
Coordinates45.17863, -69.30397
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22 US tons
Inventory rating22 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width17 ft (5.3 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2016)
Projected traffic66 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Andrews RD over Salmon Stream built?

It was built in 1955, making it 70 years old in 2025.

What condition is Andrews RD over Salmon 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 November 2024.

How much traffic does Andrews RD over Salmon Stream carry?

About 41 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Andrews RD over Salmon Stream?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 17 ft wide.

Who owns Andrews RD over Salmon Stream?

It is owned by the Town or Township Highway Agency.