US Bridges

Main RD over Madagascal Stream

Fair

Penobscot County, Maine · 2 MI SE of Burlington · Structure no. 3894

Built
1948
77 years old, rebuilt 1960
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
436
2016 count
Owner
State
State Highway Agency

About this bridge

Main RD over Madagascal Stream is a steel stringer/multi-beam or girder carrying Main RD over Madagascal Stream in Penobscot County, Maine. It was built in 1948 and reconstructed in 1960, so it is 77 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 5 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 436 vehicles a day, roughly 5% of them trucks, projected to reach 698 by 2036. The structure is 36 ft (11.1 m) long and 26 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesMain RD
CrossesMadagascal Stream
Location2 MI SE of Burlington
RouteCity Street 0
CountyPenobscot County
StateMaine
Coordinates45.17208, -68.33081
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating89.1 US tons
Inventory rating68 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length36 ft (11.1 m)
Longest span34 ft (10.4 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic436 (2016)
Projected traffic698 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 Main RD over Madagascal Stream built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1960.

What condition is Main RD over Madagascal 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 December 2024.

How much traffic does Main RD over Madagascal Stream carry?

About 436 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main RD over Madagascal Stream?

The structure is 36 ft (11.1 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns Main RD over Madagascal Stream?

It is owned by the State Highway Agency.