Structure 6374 · Kennebec County, ME

Abenaki RD over Messalonskee Stream

Carries Abenaki RD over Messalonskee Stream, 0.1 Mile Ely RTE 104.

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 overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT324 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

324 ft end to end, longest span 134 ft: about 5 semi-trucks nose to tail. 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.

Built199630 years old
Length324.5 ft98.9 m
Daily traffic4,079counted 2016
Last inspectedJuly 2024every 24 months

Location

StateMaine
CountyKennebec
Location0.1 Mile Ely RTE 104
CarriesAbenaki RD
CrossesMessalonskee Stream
Coordinates44.53256, -69.65274

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length324.5 ft (98.9 m)
Max Span133.9 ft (40.8 m)
Deck Width38.4 ft (11.7 m)
Deck Area1157.1 sq m
Main Spans3
Year Built1996

Traffic

Avg Daily Traffic4,079 (2016)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number6374

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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