US Bridges

I 95 NB over East Branch Sebasticook

Fair

Penobscot County, Maine · 1MI E #7-11 · Structure no. 5947

Built
1961
64 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
180 ft
3 main spans
Daily traffic
10,160
2016 count
Owner
State
State Highway Agency

About this bridge

I 95 NB over East Branch Sebasticook is a steel stringer/multi-beam or girder carrying I 95 NB over East Branch Sebasticook in Penobscot County, Maine. It was built in 1961, so it is 64 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 10,160 vehicles a day, roughly 5% of them trucks, projected to reach 14,224 by 2036. The structure is 180 ft (54.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 95 NB
CrossesEast Branch Sebasticook
Location1MI E #7-11
RouteState Highway 95
CountyPenobscot County
StateMaine
Coordinates44.82555, -69.27438
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating54.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length180 ft (54.8 m)
Longest span72 ft (21.9 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,160 (2016)
Projected traffic14,224 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 95 NB over East Branch Sebasticook built?

It was built in 1961, making it 64 years old in 2025.

What condition is I 95 NB over East Branch Sebasticook 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 I 95 NB over East Branch Sebasticook carry?

About 10,160 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is I 95 NB over East Branch Sebasticook?

The structure is 180 ft (54.8 m) long with a longest span of 72 ft (21.9 m) and a deck 35 ft wide.

Who owns I 95 NB over East Branch Sebasticook?

It is owned by the State Highway Agency.