US Bridges

Wire Bridge RD over Carrabasset River

FairPosted for load

Somerset County, Maine · 0.7 MI NE of Old RTE 27 · Structure no. 3383

Built
1886
139 years old, rebuilt 2009
Condition
Fair
inspected May 2024
Type
Suspension
Wood or Timber
Length
198 ft
1 main span
Daily traffic
74
2016 count
Owner
State
State Highway Agency

About this bridge

Wire Bridge RD over Carrabasset River is a wood or timber suspension carrying Wire Bridge RD over Carrabasset River in Somerset County, Maine. It was built in 1886 and reconstructed in 2009, so it is 139 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. Its operating status is: posted for load restriction.

It carries about 74 vehicles a day, roughly 5% of them trucks, projected to reach 118 by 2036. The structure is 198 ft (60.4 m) long and 12 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWire Bridge RD
CrossesCarrabasset River
Location0.7 MI NE of Old RTE 27
RouteCity Street 0
StateMaine
Coordinates44.89075, -70.09269
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating30 US tons
Inventory rating22.2 US tons

Structure

Structure typeSuspension
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length198 ft (60.4 m)
Longest span193 ft (58.8 m)
Deck width12 ft (3.7 m)
Roadway width10 ft (3.2 m)
Vertical clearance over deck10 ft (3 m)

Traffic and service

Average daily traffic74 (2016)
Projected traffic118 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
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 statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wire Bridge RD over Carrabasset River built?

It was built in 1886, making it 139 years old in 2025. It was reconstructed in 2009.

What condition is Wire Bridge RD over Carrabasset River 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 Wire Bridge RD over Carrabasset River carry?

About 74 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Wire Bridge RD over Carrabasset River?

The structure is 198 ft (60.4 m) long with a longest span of 193 ft (58.8 m) and a deck 12 ft wide.

Who owns Wire Bridge RD over Carrabasset River?

It is owned by the State Highway Agency.