Structure 6316 · Sagadahoc County, ME

Langdon Road over I295 NB & SB

Carries Langdon Road over I295 NB & SB, 1.4 Mi Ely Of RTE 201.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT322 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 7/9

322 ft end to end, longest span 113 ft: about 4 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.

Built197650 years old
Length322.2 ft98.2 m
Daily traffic335counted 2016
Last inspectedJune 2024every 24 months

Location

StateMaine
CountySagadahoc
Location1.4 Mi Ely Of RTE 201
CarriesLangdon Road
CrossesI295 NB & SB
Coordinates44.11369, -69.85776

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length322.2 ft (98.2 m)
Max Span112.9 ft (34.4 m)
Deck Width32.2 ft (9.8 m)
Deck Area962.4 sq m
Main Spans3
Year Built1976

Traffic

Avg Daily Traffic335 (2016)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number6316

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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