US Bridges

Mountain RD over I-95

Fair

Cumberland County, Maine · 0.231 MI W of SR 100&26 · Structure no. 0362

Built
1956
69 years old, rebuilt 1991
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
207 ft
4 main spans
Daily traffic
3,740
2016 count
Owner
Toll Authority
State Toll Authority

About this bridge

Mountain RD over I-95 is a steel continuous stringer/multi-beam or girder carrying Mountain RD over I-95 in Cumberland County, Maine. It was built in 1956 and reconstructed in 1991, 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 3,740 vehicles a day, roughly 5% of them trucks, projected to reach 5,236 by 2036. The structure is 207 ft (63.2 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMountain RD
CrossesI-95
Location0.231 MI W of SR 100&26
RouteCity Street 0
CountyCumberland County
StateMaine
Coordinates43.74674, -70.30316
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.1 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length207 ft (63.2 m)
Longest span58 ft (17.6 m)
Deck width35 ft (10.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,740 (2016)
Projected traffic5,236 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Mountain RD over I-95 built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1991.

What condition is Mountain RD over I-95 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 Mountain RD over I-95 carry?

About 3,740 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Mountain RD over I-95?

The structure is 207 ft (63.2 m) long with a longest span of 58 ft (17.6 m) and a deck 35 ft wide.

Who owns Mountain RD over I-95?

It is owned by the State Toll Authority.