US Bridges

Main RD over Beaver Brook

Fair

Penobscot County, Maine · 1.8 MI SE of Enfield Tl · Structure no. 2059

Built
1939
86 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
108 ft
4 main spans
Daily traffic
1,527
2016 count
Owner
State
State Highway Agency

About this bridge

Main RD over Beaver Brook is a concrete slab carrying Main RD over Beaver Brook in Penobscot County, Maine. It was built in 1939, so it is 86 years old, older 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 5 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 1,527 vehicles a day, roughly 5% of them trucks, projected to reach 2,291 by 2036. The structure is 108 ft (32.9 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesMain RD
CrossesBeaver Brook
Location1.8 MI SE of Enfield Tl
RouteState Highway 2
CountyPenobscot County
StateMaine
Coordinates45.20296, -68.61659
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating57.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length108 ft (32.9 m)
Longest span25 ft (7.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,527 (2016)
Projected traffic2,291 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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 Main RD over Beaver Brook built?

It was built in 1939, making it 86 years old in 2025.

What condition is Main RD over Beaver 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 December 2024.

How much traffic does Main RD over Beaver Brook carry?

About 1,527 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main RD over Beaver Brook?

The structure is 108 ft (32.9 m) long with a longest span of 25 ft (7.6 m) and a deck 30 ft wide.

Who owns Main RD over Beaver Brook?

It is owned by the State Highway Agency.