Structure 6425 · Oxford County, ME

Main ST over Unnamed Stream

Carries Main ST over Unnamed Stream, 0.75 Mi NE RT 120.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
24 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

24 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a girder bridge.

Built201610 years old
Length24.0 ft7.3 m
Daily traffic516counted 2015
Last inspectedDecember 2023every 24 months

Location

StateMaine
CountyOxford
Location0.75 Mi NE RT 120
CarriesMain ST
CrossesUnnamed Stream
Coordinates44.65038, -70.66657

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length24.0 ft (7.3 m)
Max Span22.0 ft (6.7 m)
Deck Width17.1 ft (5.2 m)
Deck Area38.0 sq m
Main Spans1
Year Built2016

Traffic

Avg Daily Traffic516 (2015)
Lanes On Bridge1

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number6425

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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