Structure 2313 · Somerset County, ME

Harmony RD over E Br Wesserunsett Stream

Carries Harmony RD over E Br Wesserunsett Stream, 2.5 Mi NE Of Jct RTE 151.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT120 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

120 ft end to end. Lengths and the semi-truck on the deck are drawn to the same scale. 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 multi-beam bridge.

Built20215 years old
Length120.1 ft36.6 m
Daily traffic2,013counted 2016
Last inspectedDecember 2024every 24 months

Location

StateMaine
CountySomerset
Location2.5 Mi NE Of Jct RTE 151
CarriesHarmony RD
CrossesE Br Wesserunsett Stream
Coordinates44.95469, -69.64549

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length120.1 ft (36.6 m)
Max Span117.1 ft (35.7 m)
Deck Width35.4 ft (10.8 m)
Deck Area395.3 sq m
Main Spans1
Year Built2021

Traffic

Avg Daily Traffic2,013 (2016)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number2313

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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