US Bridges

Ramp Off to Stillw over I95 Southbound

Fair

Penobscot County, Maine · 0.9 MI N 15 · Structure no. 6412

Built
2001
24 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
6,590
2016 count
Owner
State
State Highway Agency

About this bridge

Ramp Off to Stillw over I95 Southbound is a prestressed concrete stringer/multi-beam or girder carrying Ramp Off to Stillw over I95 Southbound in Penobscot County, Maine. It was built in 2001, so it is 24 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 6 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 6,590 vehicles a day, roughly 5% of them trucks, projected to reach 9,226 by 2036. The structure is 120 ft (36.7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRamp Off to Stillw
CrossesI95 Southbound
Location0.9 MI N 15
RouteState Highway 0
CountyPenobscot County
StateMaine
Coordinates44.82577, -68.75417
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length120 ft (36.7 m)
Longest span115 ft (35 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,590 (2016)
Projected traffic9,226 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp Off to Stillw over I95 Southbound built?

It was built in 2001, making it 24 years old in 2025.

What condition is Ramp Off to Stillw over I95 Southbound 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 September 2023.

How much traffic does Ramp Off to Stillw over I95 Southbound carry?

About 6,590 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Ramp Off to Stillw over I95 Southbound?

The structure is 120 ft (36.7 m) long with a longest span of 115 ft (35 m) and a deck 32 ft wide.

Who owns Ramp Off to Stillw over I95 Southbound?

It is owned by the State Highway Agency.