US Bridges

Jackman RD over Misery Stream

Fair

Somerset County, Maine · Townline · Structure no. 3937

Built
1956
69 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
64 ft
1 main span
Daily traffic
360
2016 count
Owner
State
State Highway Agency

About this bridge

Jackman RD over Misery Stream is a concrete tee beam carrying Jackman RD over Misery Stream in Somerset County, Maine. It was built in 1956, so it is 69 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 360 vehicles a day, roughly 5% of them trucks, projected to reach 576 by 2036. The structure is 64 ft (19.6 m) long and 31 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesJackman RD
CrossesMisery Stream
LocationTownline
RouteState Highway 6
CountySomerset County
StateMaine
Coordinates45.59771, -69.89003
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating22.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length64 ft (19.6 m)
Longest span62 ft (18.9 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2016)
Projected traffic576 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Jackman RD over Misery Stream built?

It was built in 1956, making it 69 years old in 2025.

What condition is Jackman RD over Misery Stream 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 November 2024.

How much traffic does Jackman RD over Misery Stream carry?

About 360 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Jackman RD over Misery Stream?

The structure is 64 ft (19.6 m) long with a longest span of 62 ft (18.9 m) and a deck 31 ft wide.

Who owns Jackman RD over Misery Stream?

It is owned by the State Highway Agency.