US Bridges

Ridge RD over Minwah Bk

Good

Androscoggin County, Maine · 1 MI N Rt 9 · Structure no. 0012

Built
2009
16 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
204
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Ridge RD over Minwah Bk is a concrete culvert carrying Ridge RD over Minwah Bk in Androscoggin County, Maine. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 204 vehicles a day, roughly 5% of them trucks, projected to reach 326 by 2036. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRidge RD
CrossesMinwah Bk
Location1 MI N Rt 9
RouteCity Street 0
StateMaine
Coordinates44.17352, -70.02149
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93.6 US tons
Inventory rating72.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic204 (2016)
Projected traffic326 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Ridge RD over Minwah Bk built?

It was built in 2009, making it 16 years old in 2025.

What condition is Ridge RD over Minwah Bk 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 July 2024.

How much traffic does Ridge RD over Minwah Bk carry?

About 204 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Ridge RD over Minwah Bk?

The structure is 27 ft (8.1 m) long with a longest span of 8 ft (2.4 m).

Who owns Ridge RD over Minwah Bk?

It is owned by the Town or Township Highway Agency.