Structure 5654 · Knox County, ME

Camden RD over ST George River

Carries Camden RD over ST George River, 1.2 Mi NE US 1.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT335 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 6/9Substructure 5/9 · sets the rating

335 ft end to end, longest span 80 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.

Built1961rebuilt 2024
Length335.3 ft102.2 m
Daily traffic5,596counted 2016
Last inspectedJanuary 2025every 24 months

Location

StateMaine
CountyKnox
Location1.2 Mi NE US 1
CarriesCamden RD
CrossesST George River
Coordinates44.12288, -69.24429

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length335.3 ft (102.2 m)
Max Span80.1 ft (24.4 m)
Deck Width36.1 ft (11 m)
Deck Area1124.2 sq m
Main Spans4
Year Built1961 (reconstructed 2024)

Traffic

Avg Daily Traffic5,596 (2016)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number5654

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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