US Bridges

Main ST over Tannery (bird) Brook

Poor

Oxford County, Maine · 0.15 MI Wly JCT RTE 118 · Structure no. 3610

Built
1929
96 years old
Condition
Poor
inspected January 2025
Type
Slab
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
11,655
2016 count
Owner
State
State Highway Agency

About this bridge

Main ST over Tannery (bird) Brook is a concrete continuous slab carrying Main ST over Tannery (bird) Brook in Oxford County, Maine. It was built in 1929, so it is 96 years old, older 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 11,655 vehicles a day, roughly 5% of them trucks, projected to reach 16,317 by 2036. The structure is 22 ft (6.7 m) long and 62 ft wide. If it were closed, the detour would be 51 mi (82 km).

Location

Open in Google Maps
CarriesMain ST
CrossesTannery (bird) Brook
Location0.15 MI Wly JCT RTE 118
RouteState Highway 117
CountyOxford County
StateMaine
Coordinates44.21229, -70.53749
Functional classRural Minor Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width62 ft (18.9 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,655 (2016)
Projected traffic16,317 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed51 mi (82 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 Tannery (bird) Brook built?

It was built in 1929, making it 96 years old in 2025.

What condition is Main ST over Tannery (bird) Brook 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 January 2025.

How much traffic does Main ST over Tannery (bird) Brook carry?

About 11,655 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main ST over Tannery (bird) Brook?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m) and a deck 62 ft wide.

Who owns Main ST over Tannery (bird) Brook?

It is owned by the State Highway Agency.