Structure 1359 · York County, ME

Washington ST over Mousam River

Carries Washington ST over Mousam River, 0.2 Mi E Jct Route 4a.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT55 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

55 ft end to end, longest span 23 ft. Lengths and the car 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 slab bridge.

Built1920rebuilt 2000
Length55.4 ft16.9 m
Daily traffic8,420counted 2016
Last inspectedDecember 2023every 24 months

Location

StateMaine
CountyYork
Location0.2 Mi E Jct Route 4a
CarriesWashington ST
CrossesMousam River
Coordinates43.44112, -70.77373

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length55.4 ft (16.9 m)
Max Span23.0 ft (7 m)
Deck Width49.5 ft (15.1 m)
Deck Area255.2 sq m
Main Spans2
Year Built1920 (reconstructed 2000)

Traffic

Avg Daily Traffic8,420 (2016)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number1359

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.

Nearby Bridges