US Bridges

Pinkham Brook RD over Androscoggin River

Good

Androscoggin County, Maine · Durham - Lisbon Tl · Structure no. 3334

Built
2016
9 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
347 ft
2 main spans
Daily traffic
5,085
2016 count
Owner
State
State Highway Agency

About this bridge

Pinkham Brook RD over Androscoggin River is a steel continuous stringer/multi-beam or girder carrying Pinkham Brook RD over Androscoggin River in Androscoggin County, Maine. It was built in 2016, so it is 9 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 5,085 vehicles a day, roughly 5% of them trucks, projected to reach 7,119 by 2036. The structure is 347 ft (105.9 m) long and 40 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesPinkham Brook RD
CrossesAndroscoggin River
LocationDurham - Lisbon Tl
RouteCounty Highway 9
StateMaine
Coordinates43.99319, -70.05836
Functional classRural Major Collector

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating54.2 US tons
Inventory rating41.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length347 ft (105.9 m)
Longest span200 ft (61 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,085 (2016)
Projected traffic7,119 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed24.9 mi (40 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 Pinkham Brook RD over Androscoggin River built?

It was built in 2016, making it 9 years old in 2025.

What condition is Pinkham Brook RD over Androscoggin River 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 September 2023.

How much traffic does Pinkham Brook RD over Androscoggin River carry?

About 5,085 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Pinkham Brook RD over Androscoggin River?

The structure is 347 ft (105.9 m) long with a longest span of 200 ft (61 m) and a deck 40 ft wide.

Who owns Pinkham Brook RD over Androscoggin River?

It is owned by the State Highway Agency.