US Bridges

Sherman Lumber Com over Seboeis River

Poor

Penobscot County, Maine · 3.2 M W of Seboeis RD · Structure no. 1709019P0000000

Built
2000
25 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
2 main spans
Daily traffic
10
2024 count
Owner
Federal
National Park Service

About this bridge

Sherman Lumber Com over Seboeis River is a steel stringer/multi-beam or girder carrying Sherman Lumber Com over Seboeis River in Penobscot County, Maine. It was built in 2000, so it is 25 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 10 vehicles a day, projected to reach 20 by 2044. The structure is 100 ft (30.5 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSherman Lumber Com
CrossesSeboeis River
Location3.2 M W of Seboeis RD
RouteFederal Lands Road 0
StateMaine
Coordinates45.97147, -68.62067
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating20.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length100 ft (30.5 m)
Longest span48 ft (14.6 m)
Deck width16 ft (5 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic20 by 2044
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
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 Sherman Lumber Com over Seboeis River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Sherman Lumber Com over Seboeis River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Sherman Lumber Com over Seboeis River carry?

About 10 vehicles per day (2024 count).

How long is Sherman Lumber Com over Seboeis River?

The structure is 100 ft (30.5 m) long with a longest span of 48 ft (14.6 m) and a deck 16 ft wide.

Who owns Sherman Lumber Com over Seboeis River?

It is owned by the National Park Service.