US Bridges

Seboeis RD over Seboeis Stream

Fair

Penobscot County, Maine · .7 MI No Townline · Structure no. 5114

Built
1922
103 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
107 ft
2 main spans
Daily traffic
154
2016 count
Owner
State
State Highway Agency

About this bridge

Seboeis RD over Seboeis Stream is a concrete tee beam carrying Seboeis RD over Seboeis Stream in Penobscot County, Maine. It was built in 1922, so it is 103 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 154 vehicles a day, roughly 5% of them trucks, projected to reach 246 by 2036. The structure is 107 ft (32.7 m) long and 24 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesSeboeis RD
CrossesSeboeis Stream
Location.7 MI No Townline
RouteCounty Highway 0
CountyPenobscot County
StateMaine
Coordinates45.35155, -68.70828
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating47.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length107 ft (32.7 m)
Longest span52 ft (16 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic154 (2016)
Projected traffic246 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 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 Seboeis RD over Seboeis Stream built?

It was built in 1922, making it 103 years old in 2025.

What condition is Seboeis RD over Seboeis 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 October 2024.

How much traffic does Seboeis RD over Seboeis Stream carry?

About 154 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Seboeis RD over Seboeis Stream?

The structure is 107 ft (32.7 m) long with a longest span of 52 ft (16 m) and a deck 24 ft wide.

Who owns Seboeis RD over Seboeis Stream?

It is owned by the State Highway Agency.