US Bridges

I-95(SB) over Presumpscot River

Fair

Cumberland County, Maine · 0.107 MI W of Blackstrap · Structure no. 1489

Built
1956
69 years old, rebuilt 2010
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
160 ft
2 main spans
Daily traffic
17,050
2016 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-95(SB) over Presumpscot River is a steel continuous stringer/multi-beam or girder carrying I-95(SB) over Presumpscot River in Cumberland County, Maine. It was built in 1956 and reconstructed in 2010, so it is 69 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 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 17,050 vehicles a day, roughly 10% of them trucks, projected to reach 23,870 by 2036. The structure is 160 ft (48.8 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-95(SB)
CrossesPresumpscot River
Location0.107 MI W of Blackstrap
RouteInterstate 95
StateMaine
Coordinates43.72404, -70.30438
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.2 US tons
Inventory rating48.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length160 ft (48.8 m)
Longest span80 ft (24.4 m)
Deck width57 ft (17.5 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,050 (2016)
Projected traffic23,870 by 2036
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-95(SB) over Presumpscot River built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2010.

What condition is I-95(SB) over Presumpscot River 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 May 2024.

How much traffic does I-95(SB) over Presumpscot River carry?

About 17,050 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is I-95(SB) over Presumpscot River?

The structure is 160 ft (48.8 m) long with a longest span of 80 ft (24.4 m) and a deck 57 ft wide.

Who owns I-95(SB) over Presumpscot River?

It is owned by the State Toll Authority.