US Bridges

I-495 (wb) over Mcrr

Fair

Cumberland County, Maine · 0.157 MI N of Lambert ST · Structure no. 1467

Built
1956
69 years old, rebuilt 2009
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
177 ft
3 main spans
Daily traffic
7,090
2016 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-495 (wb) over Mcrr is a steel continuous stringer/multi-beam or girder carrying I-495 (wb) over Mcrr in Cumberland County, Maine. It was built in 1956 and reconstructed in 2009, 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 7,090 vehicles a day, roughly 10% of them trucks, projected to reach 9,926 by 2036. The structure is 177 ft (54 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-495 (wb)
CrossesMcrr
Location0.157 MI N of Lambert ST
CountyCumberland County
StateMaine
Coordinates43.72379, -70.29876
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length177 ft (54 m)
Longest span68 ft (20.7 m)
Deck width41 ft (12.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,090 (2016)
Projected traffic9,926 by 2036
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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-495 (wb) over Mcrr built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2009.

What condition is I-495 (wb) over Mcrr 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 2023.

How much traffic does I-495 (wb) over Mcrr carry?

About 7,090 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is I-495 (wb) over Mcrr?

The structure is 177 ft (54 m) long with a longest span of 68 ft (20.7 m) and a deck 41 ft wide.

Who owns I-495 (wb) over Mcrr?

It is owned by the State Toll Authority.