US Bridges

Carrabassett RD over Big Brk

Fair

Somerset County, Maine · 3 MI W Rt 234 · Structure no. 1046

Built
1912
113 years old, rebuilt 2017
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
73
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Carrabassett RD over Big Brk is a steel stringer/multi-beam or girder carrying Carrabassett RD over Big Brk in Somerset County, Maine. It was built in 1912 and reconstructed in 2017, so it is 113 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 73 vehicles a day, roughly 5% of them trucks, projected to reach 117 by 2036. The structure is 40 ft (12.2 m) long and 18 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesCarrabassett RD
CrossesBig Brk
Location3 MI W Rt 234
RouteCity Street 0
CountySomerset County
StateMaine
Coordinates44.87483, -69.98144
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span37 ft (11.4 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2016)
Projected traffic117 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Carrabassett RD over Big Brk built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 2017.

What condition is Carrabassett RD over Big Brk 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 May 2024.

How much traffic does Carrabassett RD over Big Brk carry?

About 73 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Carrabassett RD over Big Brk?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.4 m) and a deck 18 ft wide.

Who owns Carrabassett RD over Big Brk?

It is owned by the Town or Township Highway Agency.