US Bridges

S Main ST over Wesserunsett Stream

Fair

Somerset County, Maine · 200 Ft S JCT RTE 151 · Structure no. 2925

Built
1924
101 years old, rebuilt 1982
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete
Length
44 ft
1 main span
Daily traffic
3,250
2016 count
Owner
State
State Highway Agency

About this bridge

S Main ST over Wesserunsett Stream is a concrete tee beam carrying S Main ST over Wesserunsett Stream in Somerset County, Maine. It was built in 1924 and reconstructed in 1982, so it is 101 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 3,250 vehicles a day, roughly 5% of them trucks, projected to reach 4,550 by 2036. The structure is 44 ft (13.4 m) long and 42 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

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CarriesS Main ST
CrossesWesserunsett Stream
Location200 Ft S JCT RTE 151
RouteState Highway 43
CountySomerset County
StateMaine
Coordinates44.9234, -69.67414
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length44 ft (13.4 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2016)
Projected traffic4,550 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 S Main ST over Wesserunsett Stream built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1982.

What condition is S Main ST over Wesserunsett 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 2023.

How much traffic does S Main ST over Wesserunsett Stream carry?

About 3,250 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is S Main ST over Wesserunsett Stream?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns S Main ST over Wesserunsett Stream?

It is owned by the State Highway Agency.