US Bridges

S Portland Inter over I-95

Good

Cumberland County, Maine · 0.194 MI NW Maine Mall RD · Structure no. 0370

Built
2022
3 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
274 ft
2 main spans
Daily traffic
5,320
2016 count
Owner
Toll Authority
State Toll Authority

About this bridge

S Portland Inter over I-95 is a steel continuous stringer/multi-beam or girder carrying S Portland Inter over I-95 in Cumberland County, Maine. It was built in 2022, so it is 3 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,320 vehicles a day, roughly 10% of them trucks, projected to reach 7,448 by 2036. The structure is 274 ft (83.5 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS Portland Inter
CrossesI-95
Location0.194 MI NW Maine Mall RD
StateMaine
Coordinates43.63215, -70.34426
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length274 ft (83.5 m)
Longest span137 ft (41.8 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,320 (2016)
Projected traffic7,448 by 2036
Trucks10%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 S Portland Inter over I-95 built?

It was built in 2022, making it 3 years old in 2025.

What condition is S Portland Inter over I-95 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does S Portland Inter over I-95 carry?

About 5,320 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is S Portland Inter over I-95?

The structure is 274 ft (83.5 m) long with a longest span of 137 ft (41.8 m) and a deck 59 ft wide.

Who owns S Portland Inter over I-95?

It is owned by the State Toll Authority.