US Bridges

Main ST over Sandy River

Good

Franklin County, Maine · 0.6 MI NW of Twp "e" Tl · Structure no. 2479

Built
1992
33 years old
Condition
Good
inspected December 2024
Type
Frame
Concrete
Length
38 ft
1 main span
Daily traffic
1,228
2016 count
Owner
State
State Highway Agency

About this bridge

Main ST over Sandy River is a concrete frame carrying Main ST over Sandy River in Franklin County, Maine. It was built in 1992, so it is 33 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,228 vehicles a day, roughly 5% of them trucks, projected to reach 1,842 by 2036. The structure is 38 ft (11.6 m) long and 41 ft wide. If it were closed, the detour would be 42.9 mi (69 km).

CarriesMain ST
CrossesSandy River
Location0.6 MI NW of Twp "e" Tl
RouteState Highway 4
StateMaine
Coordinates44.87458, -70.52954
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66 US tons
Inventory rating48.6 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length38 ft (11.6 m)
Longest span34 ft (10.3 m)
Deck width41 ft (12.6 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,228 (2016)
Projected traffic1,842 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.9 mi (69 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 Sandy River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Main ST over Sandy River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Main ST over Sandy River carry?

About 1,228 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main ST over Sandy River?

The structure is 38 ft (11.6 m) long with a longest span of 34 ft (10.3 m) and a deck 41 ft wide.

Who owns Main ST over Sandy River?

It is owned by the State Highway Agency.