US Bridges

S Main ST over Michael Stream

Fair

Somerset County, Maine · 2.8 MI N Townline · Structure no. 2548

Built
1952
73 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
3,630
2016 count
Owner
State
State Highway Agency

About this bridge

S Main ST over Michael Stream is a concrete culvert carrying S Main ST over Michael Stream in Somerset County, Maine. It was built in 1952, so it is 73 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 3,630 vehicles a day, roughly 5% of them trucks, projected to reach 5,082 by 2036. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesS Main ST
CrossesMichael Stream
Location2.8 MI N Townline
RouteState Highway 201
CountySomerset County
StateMaine
Coordinates44.92953, -69.83341
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length29 ft (8.8 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,630 (2016)
Projected traffic5,082 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemYes

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 S Main ST over Michael Stream built?

It was built in 1952, making it 73 years old in 2025.

What condition is S Main ST over Michael 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 S Main ST over Michael Stream carry?

About 3,630 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is S Main ST over Michael Stream?

The structure is 29 ft (8.8 m) long with a longest span of 25 ft (7.6 m).

Who owns S Main ST over Michael Stream?

It is owned by the State Highway Agency.