US Bridges

I-95 over Piscatiqua River STR#28

Fair

Cumberland County, Maine · 0.567 MI W of SR 100&26 · Structure no. 0284

Built
1956
69 years old, rebuilt 2015
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
14,020
2016 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-95 over Piscatiqua River STR#28 is a prestressed concrete slab carrying I-95 over Piscatiqua River STR#28 in Cumberland County, Maine. It was built in 1956 and reconstructed in 2015, 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 14,020 vehicles a day, roughly 5% of them trucks, projected to reach 19,628 by 2036. The structure is 43 ft (13 m) long and 93 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-95
CrossesPiscatiqua River STR#28
Location0.567 MI W of SR 100&26
RouteInterstate 95
CountyCumberland County
StateMaine
Coordinates43.79121, -70.31507
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
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length43 ft (13 m)
Longest span43 ft (13 m)
Deck width93 ft (28.3 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,020 (2016)
Projected traffic19,628 by 2036
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 over Piscatiqua River STR#28 built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2015.

What condition is I-95 over Piscatiqua River STR#28 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 July 2023.

How much traffic does I-95 over Piscatiqua River STR#28 carry?

About 14,020 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is I-95 over Piscatiqua River STR#28?

The structure is 43 ft (13 m) long with a longest span of 43 ft (13 m) and a deck 93 ft wide.

Who owns I-95 over Piscatiqua River STR#28?

It is owned by the State Toll Authority.