US Bridges

I 95 SB over Medunkeunk Stream

Fair

Penobscot County, Maine · 2.5 MI N T2 R8 Tl · Structure no. 6155

Built
1966
59 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
3,270
2016 count
Owner
State
State Highway Agency

About this bridge

I 95 SB over Medunkeunk Stream is a concrete culvert carrying I 95 SB over Medunkeunk Stream in Penobscot County, Maine. It was built in 1966, so it is 59 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 3,270 vehicles a day, roughly 5% of them trucks, projected to reach 4,578 by 2036. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 95 SB
CrossesMedunkeunk Stream
Location2.5 MI N T2 R8 Tl
RouteState Highway 95
CountyPenobscot County
StateMaine
Coordinates45.49015, -68.56668
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating60 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span21 ft (6.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,270 (2016)
Projected traffic4,578 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 SB over Medunkeunk Stream built?

It was built in 1966, making it 59 years old in 2025.

What condition is I 95 SB over Medunkeunk 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 August 2023.

How much traffic does I 95 SB over Medunkeunk Stream carry?

About 3,270 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is I 95 SB over Medunkeunk Stream?

The structure is 25 ft (7.6 m) long with a longest span of 21 ft (6.3 m).

Who owns I 95 SB over Medunkeunk Stream?

It is owned by the State Highway Agency.