US Bridges

Main RD over Passadumkeag River

Fair

Penobscot County, Maine · 3.5 Mi.N.Townline · Structure no. 2649

Built
1930
95 years old, rebuilt 1963
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
126 ft
2 main spans
Daily traffic
1,722
2016 count
Owner
State
State Highway Agency

About this bridge

Main RD over Passadumkeag River is a steel stringer/multi-beam or girder carrying Main RD over Passadumkeag River in Penobscot County, Maine. It was built in 1930 and reconstructed in 1963, so it is 95 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 1,722 vehicles a day, roughly 5% of them trucks, projected to reach 2,583 by 2036. The structure is 126 ft (38.4 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesMain RD
CrossesPassadumkeag River
Location3.5 Mi.N.Townline
RouteState Highway 2
CountyPenobscot County
StateMaine
Coordinates45.18481, -68.6166
Functional classRural Minor Arterial

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.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span60 ft (18.4 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,722 (2016)
Projected traffic2,583 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Main RD over Passadumkeag River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1963.

What condition is Main RD over Passadumkeag River 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 December 2024.

How much traffic does Main RD over Passadumkeag River carry?

About 1,722 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main RD over Passadumkeag River?

The structure is 126 ft (38.4 m) long with a longest span of 60 ft (18.4 m) and a deck 35 ft wide.

Who owns Main RD over Passadumkeag River?

It is owned by the State Highway Agency.