US Bridges

I-95 (nb) over Northern Ave

Fair

Kennebec County, Maine · 0.676 MI W of Peacock RD · Structure no. 0551

Built
1956
69 years old, rebuilt 2005
Condition
Fair
inspected May 2023
Type
Slab
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
16,080
2016 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-95 (nb) over Northern Ave is a prestressed concrete slab carrying I-95 (nb) over Northern Ave in Kennebec County, Maine. It was built in 1956 and reconstructed in 2005, 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 16,080 vehicles a day, roughly 5% of them trucks, projected to reach 22,512 by 2036. The structure is 38 ft (11.5 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-95 (nb)
CrossesNorthern Ave
Location0.676 MI W of Peacock RD
RouteInterstate 95
CountyKennebec County
StateMaine
Coordinates44.24497, -69.80747
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length38 ft (11.5 m)
Longest span38 ft (11.5 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,080 (2016)
Projected traffic22,512 by 2036
Trucks5%
Lanes on structure4
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 Northern Ave built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2005.

What condition is I-95 (nb) over Northern Ave 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 2023.

How much traffic does I-95 (nb) over Northern Ave carry?

About 16,080 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is I-95 (nb) over Northern Ave?

The structure is 38 ft (11.5 m) long with a longest span of 38 ft (11.5 m) and a deck 41 ft wide.

Who owns I-95 (nb) over Northern Ave?

It is owned by the State Toll Authority.