US Bridges

I-95 (nb) over Cobbosseecontee Stream

Fair

Kennebec County, Maine · 0.240 MI W of Plains RD · Structure no. 0547

Built
1956
69 years old, rebuilt 2018
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
210 ft
4 main spans
Daily traffic
4,970
2016 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-95 (nb) over Cobbosseecontee Stream is a steel continuous stringer/multi-beam or girder carrying I-95 (nb) over Cobbosseecontee Stream in Kennebec County, Maine. It was built in 1956 and reconstructed in 2018, 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 4,970 vehicles a day, roughly 5% of them trucks, projected to reach 6,958 by 2036. The structure is 210 ft (64 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)
CrossesCobbosseecontee Stream
Location0.240 MI W of Plains RD
RouteInterstate 95
CountyKennebec County
StateMaine
Coordinates44.17893, -69.86038
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length210 ft (64 m)
Longest span58 ft (17.7 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,970 (2016)
Projected traffic6,958 by 2036
Trucks5%
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
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 (nb) over Cobbosseecontee Stream built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2018.

What condition is I-95 (nb) over Cobbosseecontee Stream 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 June 2024.

How much traffic does I-95 (nb) over Cobbosseecontee Stream carry?

About 4,970 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is I-95 (nb) over Cobbosseecontee Stream?

The structure is 210 ft (64 m) long with a longest span of 58 ft (17.7 m) and a deck 41 ft wide.

Who owns I-95 (nb) over Cobbosseecontee Stream?

It is owned by the State Toll Authority.