US Bridges

Mount View RD over Half Moon Stream

Fair

Waldo County, Maine · 2 MI N Townline · Structure no. 5140

Built
1971
54 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
1 main span
Daily traffic
2,553
2016 count
Owner
State
State Highway Agency

About this bridge

Mount View RD over Half Moon Stream is a steel stringer/multi-beam or girder carrying Mount View RD over Half Moon Stream in Waldo County, Maine. It was built in 1971, so it is 54 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 2,553 vehicles a day, roughly 5% of them trucks, projected to reach 3,574 by 2036. The structure is 95 ft (29 m) long and 37 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesMount View RD
CrossesHalf Moon Stream
Location2 MI N Townline
RouteState Highway 220
StateMaine
Coordinates44.57537, -69.27701
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
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 rating66.8 US tons
Inventory rating51.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (29 m)
Longest span90 ft (27.4 m)
Deck width37 ft (11.3 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,553 (2016)
Projected traffic3,574 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mount View RD over Half Moon Stream built?

It was built in 1971, making it 54 years old in 2025.

What condition is Mount View RD over Half Moon 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 November 2024.

How much traffic does Mount View RD over Half Moon Stream carry?

About 2,553 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Mount View RD over Half Moon Stream?

The structure is 95 ft (29 m) long with a longest span of 90 ft (27.4 m) and a deck 37 ft wide.

Who owns Mount View RD over Half Moon Stream?

It is owned by the State Highway Agency.