US Bridges

Perkins Ridge RD over Lapham Brook

Good

Androscoggin County, Maine · 0.5 MI S.Of W.Auburn RD · Structure no. 0073

Built
2009
16 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
380
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Perkins Ridge RD over Lapham Brook is a concrete slab carrying Perkins Ridge RD over Lapham Brook 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 380 vehicles a day, roughly 5% of them trucks, projected to reach 608 by 2036. The structure is 28 ft (8.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPerkins Ridge RD
CrossesLapham Brook
Location0.5 MI S.Of W.Auburn RD
RouteCity Street 0
StateMaine
Coordinates44.14967, -70.28543
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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 rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span23 ft (7 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2016)
Projected traffic608 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 Perkins Ridge RD over Lapham Brook built?

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

What condition is Perkins Ridge RD over Lapham 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 January 2025.

How much traffic does Perkins Ridge RD over Lapham Brook carry?

About 380 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Perkins Ridge RD over Lapham Brook?

The structure is 28 ft (8.4 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns Perkins Ridge RD over Lapham Brook?

It is owned by the Town or Township Highway Agency.