US Bridges

Main ST over Kelly Brook

Fair

Somerset County, Maine · 2 MI So Townline · Structure no. 2428

Built
2008
17 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
1,180
2016 count
Owner
State
State Highway Agency

About this bridge

Main ST over Kelly Brook is a steel culvert carrying Main ST over Kelly Brook in Somerset County, Maine. It was built in 2008, so it is 17 years old, younger 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 1,180 vehicles a day, roughly 5% of them trucks, projected to reach 1,770 by 2036. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesMain ST
CrossesKelly Brook
Location2 MI So Townline
RouteState Highway 201
CountySomerset County
StateMaine
Coordinates45.79438, -70.36855
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating65 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length23 ft (6.9 m)
Longest span9 ft (2.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,180 (2016)
Projected traffic1,770 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 Main ST over Kelly Brook built?

It was built in 2008, making it 17 years old in 2025.

What condition is Main ST over Kelly 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 August 2023.

How much traffic does Main ST over Kelly Brook carry?

About 1,180 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main ST over Kelly Brook?

The structure is 23 ft (6.9 m) long with a longest span of 9 ft (2.8 m).

Who owns Main ST over Kelly Brook?

It is owned by the State Highway Agency.