US Bridges

I 95 NB over Piscataquis River

Fair

Penobscot County, Maine · 2.5 MI NW Townline · Structure no. 1419

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
535 ft
4 main spans
Daily traffic
3,880
2016 count
Owner
State
State Highway Agency

About this bridge

I 95 NB over Piscataquis River is a steel continuous stringer/multi-beam or girder carrying I 95 NB over Piscataquis River in Penobscot County, Maine. It was built in 1975, so it is 50 years old, younger 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 3,880 vehicles a day, roughly 5% of them trucks, projected to reach 5,432 by 2036. The structure is 535 ft (163.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 95 NB
CrossesPiscataquis River
Location2.5 MI NW Townline
RouteState Highway 95
CountyPenobscot County
StateMaine
Coordinates45.26548, -68.67954
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length535 ft (163.2 m)
Longest span150 ft (45.7 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,880 (2016)
Projected traffic5,432 by 2036
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 95 NB over Piscataquis River built?

It was built in 1975, making it 50 years old in 2025.

What condition is I 95 NB over Piscataquis 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 August 2024.

How much traffic does I 95 NB over Piscataquis River carry?

About 3,880 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is I 95 NB over Piscataquis River?

The structure is 535 ft (163.2 m) long with a longest span of 150 ft (45.7 m) and a deck 45 ft wide.

Who owns I 95 NB over Piscataquis River?

It is owned by the State Highway Agency.