US Bridges

N.B. Ramp I-95 to over Bypass 1 + Ramp M

Fair

York County, Maine · 0.2 MI NE of I95 NB · Structure no. 6278

Built
1972
53 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
346 ft
4 main spans
Daily traffic
5,420
2016 count
Owner
Toll Authority
State Toll Authority

About this bridge

N.B. Ramp I-95 to over Bypass 1 + Ramp M is a steel continuous stringer/multi-beam or girder carrying N.B. Ramp I-95 to over Bypass 1 + Ramp M in York County, Maine. It was built in 1972, so it is 53 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 5,420 vehicles a day, roughly 5% of them trucks, projected to reach 7,588 by 2036. The structure is 346 ft (105.5 m) long and 31 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesN.B. Ramp I-95 to
CrossesBypass 1 + Ramp M
Location0.2 MI NE of I95 NB
RouteState Highway 0
CountyYork County
StateMaine
Coordinates43.10683, -70.74205
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 inspectionJune 2024
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 rating49.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length346 ft (105.5 m)
Longest span85 ft (25.9 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,420 (2016)
Projected traffic7,588 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N.B. Ramp I-95 to over Bypass 1 + Ramp M built?

It was built in 1972, making it 53 years old in 2025.

What condition is N.B. Ramp I-95 to over Bypass 1 + Ramp M 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 June 2024.

How much traffic does N.B. Ramp I-95 to over Bypass 1 + Ramp M carry?

About 5,420 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is N.B. Ramp I-95 to over Bypass 1 + Ramp M?

The structure is 346 ft (105.5 m) long with a longest span of 85 ft (25.9 m) and a deck 31 ft wide.

Who owns N.B. Ramp I-95 to over Bypass 1 + Ramp M?

It is owned by the State Toll Authority.