US Bridges

Cotton Brook RD over Bog Brook

Fair

Piscataquis County, Maine · 200 Ft E of JCT RTE 153 · Structure no. 0953

Built
1980
45 years old
Condition
Fair
inspected November 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
29 ft
2 main spans
Daily traffic
277
2016 count
Owner
State
State Highway Agency

About this bridge

Cotton Brook RD over Bog Brook is a aluminum, wrought iron, or cast iron culvert carrying Cotton Brook RD over Bog Brook in Piscataquis County, Maine. It was built in 1980, so it is 45 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 277 vehicles a day, roughly 5% of them trucks, projected to reach 443 by 2036. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesCotton Brook RD
CrossesBog Brook
Location200 Ft E of JCT RTE 153
RouteCity Street 0
CountyPiscataquis County
StateMaine
Coordinates45.24972, -69.23971
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic277 (2016)
Projected traffic443 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 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 Cotton Brook RD over Bog Brook built?

It was built in 1980, making it 45 years old in 2025.

What condition is Cotton Brook RD over Bog 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 November 2023.

How much traffic does Cotton Brook RD over Bog Brook carry?

About 277 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Cotton Brook RD over Bog Brook?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (4 m).

Who owns Cotton Brook RD over Bog Brook?

It is owned by the State Highway Agency.