US Bridges

Smyrna ST over Moose Brook

Fair

Aroostook County, Maine · 2.5 MI W of JCT US1 · Structure no. 2580

Built
1924
101 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
2,046
2016 count
Owner
State
State Highway Agency

About this bridge

Smyrna ST over Moose Brook is a concrete tee beam carrying Smyrna ST over Moose Brook in Aroostook County, Maine. It was built in 1924, so it is 101 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 2,046 vehicles a day, roughly 5% of them trucks, projected to reach 2,864 by 2036. The structure is 28 ft (8.5 m) long and 27 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSmyrna ST
CrossesMoose Brook
Location2.5 MI W of JCT US1
RouteState Highway 2
CountyAroostook County
StateMaine
Coordinates46.12922, -67.8903
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating42.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,046 (2016)
Projected traffic2,864 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Smyrna ST over Moose Brook built?

It was built in 1924, making it 101 years old in 2025.

What condition is Smyrna ST over Moose Brook 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 September 2024.

How much traffic does Smyrna ST over Moose Brook carry?

About 2,046 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Smyrna ST over Moose Brook?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns Smyrna ST over Moose Brook?

It is owned by the State Highway Agency.