Structure 1709017P0000000 · Penobscot County, ME

Seboeis River Road over Dry Brook

Carries Seboeis River Road over Dry Brook, 3.8 M North Of Swift Broo.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

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

25 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 multi-beam bridge.

Built200026 years old
Length24.6 ft7.5 m
Daily traffic5counted 2024
Last inspectedMay 2024every 24 months

Location

StateMaine
CountyPenobscot
Location3.8 M North Of Swift Broo
CarriesSeboeis River Road
CrossesDry Brook
Coordinates45.92722, -68.60986

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length24.6 ft (7.5 m)
Max Span24.0 ft (7.3 m)
Deck Width16.1 ft (4.9 m)
Deck Area36.8 sq m
Main Spans1
Year Built2000

Traffic

Avg Daily Traffic5 (2024)
Lanes On Bridge1

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerNational Park Service
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number1709017P0000000

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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