US Bridges

Main ST over Fish Stream

Fair

Penobscot County, Maine · 0.1 MI S of JCT RTE 159 · Structure no. 3122

Built
1934
91 years old, rebuilt 1968
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
2,276
2016 count
Owner
State
State Highway Agency

About this bridge

Main ST over Fish Stream is a concrete tee beam carrying Main ST over Fish Stream in Penobscot County, Maine. It was built in 1934 and reconstructed in 1968, so it is 91 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 2,276 vehicles a day, roughly 5% of them trucks, projected to reach 3,186 by 2036. The structure is 33 ft (10.1 m) long and 51 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesMain ST
CrossesFish Stream
Location0.1 MI S of JCT RTE 159
RouteState Highway 11
CountyPenobscot County
StateMaine
Coordinates45.99367, -68.44757
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 inspectionOctober 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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating32.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width51 ft (15.5 m)
Roadway width46 ft (13.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,276 (2016)
Projected traffic3,186 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 Main ST over Fish Stream built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1968.

What condition is Main ST over Fish 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 Main ST over Fish Stream carry?

About 2,276 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main ST over Fish Stream?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 51 ft wide.

Who owns Main ST over Fish Stream?

It is owned by the State Highway Agency.