US Bridges

I-95 (nb) over Riverside ST

Fair

Cumberland County, Maine · 0.115 MI W of Riverside · Structure no. 0351

Built
1956
69 years old, rebuilt 1998
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
128 ft
3 main spans
Daily traffic
19,720
2016 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-95 (nb) over Riverside ST is a steel continuous stringer/multi-beam or girder carrying I-95 (nb) over Riverside ST in Cumberland County, Maine. It was built in 1956 and reconstructed in 1998, 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 5 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 19,720 vehicles a day, roughly 10% of them trucks, projected to reach 27,608 by 2036. The structure is 128 ft (39 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-95 (nb)
CrossesRiverside ST
Location0.115 MI W of Riverside
RouteInterstate 95
StateMaine
Coordinates43.71586, -70.30616
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length128 ft (39 m)
Longest span52 ft (15.7 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,720 (2016)
Projected traffic27,608 by 2036
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-95 (nb) over Riverside ST built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1998.

What condition is I-95 (nb) over Riverside ST 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 (nb) over Riverside ST carry?

About 19,720 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is I-95 (nb) over Riverside ST?

The structure is 128 ft (39 m) long with a longest span of 52 ft (15.7 m) and a deck 45 ft wide.

Who owns I-95 (nb) over Riverside ST?

It is owned by the State Toll Authority.