US Bridges

East Dover Road over Alder Brook

GoodPosted for load

Piscataquis County, Maine · 1MI N Rt 15 · Structure no. 0932

Built
2012
13 years old
Condition
Good
inspected October 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
23 ft
1 main span
Daily traffic
72
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

East Dover Road over Alder Brook is a aluminum, wrought iron, or cast iron culvert carrying East Dover Road over Alder Brook in Piscataquis County, Maine. It was built in 2012, so it is 13 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. Its operating status is: posted for load restriction.

It carries about 72 vehicles a day, roughly 5% of them trucks, projected to reach 115 by 2036. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesEast Dover Road
CrossesAlder Brook
Location1MI N Rt 15
RouteCity Street 0
StateMaine
Coordinates45.15782, -69.14462
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than 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 alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width24 ft (7.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2016)
Projected traffic115 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 East Dover Road over Alder Brook built?

It was built in 2012, making it 13 years old in 2025.

What condition is East Dover Road over Alder Brook 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 October 2024.

How much traffic does East Dover Road over Alder Brook carry?

About 72 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is East Dover Road over Alder Brook?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns East Dover Road over Alder Brook?

It is owned by the Town or Township Highway Agency.