US Bridges

Mountain RD over Ewing Narrows

Fair

Cumberland County, Maine · 1.8 MI NW of JCT RTE 24 · Structure no. 6217

Built
1974
51 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
680 ft
3 main spans
Daily traffic
2,280
2016 count
Owner
State
State Highway Agency

About this bridge

Mountain RD over Ewing Narrows is a steel continuous stringer/multi-beam or girder carrying Mountain RD over Ewing Narrows in Cumberland County, Maine. It was built in 1974, so it is 51 years old, younger 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 2,280 vehicles a day, roughly 5% of them trucks, projected to reach 3,192 by 2036. The structure is 680 ft (207.4 m) long and 32 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesMountain RD
CrossesEwing Narrows
Location1.8 MI NW of JCT RTE 24
RouteCounty Highway 0
CountyCumberland County
StateMaine
Coordinates43.81639, -69.95308
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length680 ft (207.4 m)
Longest span260 ft (79.2 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,280 (2016)
Projected traffic3,192 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Mountain RD over Ewing Narrows built?

It was built in 1974, making it 51 years old in 2025.

What condition is Mountain RD over Ewing Narrows 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 August 2023.

How much traffic does Mountain RD over Ewing Narrows carry?

About 2,280 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Mountain RD over Ewing Narrows?

The structure is 680 ft (207.4 m) long with a longest span of 260 ft (79.2 m) and a deck 32 ft wide.

Who owns Mountain RD over Ewing Narrows?

It is owned by the State Highway Agency.