US Bridges

Main ST over Stratton Brook

Fair

Franklin County, Maine · 150 Ft SE of JCT RTE 16 · Structure no. 5341

Built
1957
68 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete
Length
59 ft
1 main span
Daily traffic
2,784
2016 count
Owner
State
State Highway Agency

About this bridge

Main ST over Stratton Brook is a concrete tee beam carrying Main ST over Stratton Brook in Franklin County, Maine. It was built in 1957, so it is 68 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 2,784 vehicles a day, roughly 5% of them trucks, projected to reach 3,898 by 2036. The structure is 59 ft (17.9 m) long and 38 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesMain ST
CrossesStratton Brook
Location150 Ft SE of JCT RTE 16
RouteState Highway 16
StateMaine
Coordinates45.14112, -70.44438
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionDecember 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 rating46.4 US tons
Inventory rating33.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length59 ft (17.9 m)
Longest span55 ft (16.8 m)
Deck width38 ft (11.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,784 (2016)
Projected traffic3,898 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Main ST over Stratton Brook built?

It was built in 1957, making it 68 years old in 2025.

What condition is Main ST over Stratton Brook 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 Main ST over Stratton Brook carry?

About 2,784 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main ST over Stratton Brook?

The structure is 59 ft (17.9 m) long with a longest span of 55 ft (16.8 m) and a deck 38 ft wide.

Who owns Main ST over Stratton Brook?

It is owned by the State Highway Agency.