Structure 100000170035010 · Queen Anne's County, MD

Md 456 over Br Of Wye River

Carries Md 456 over Br Of Wye River, 0.47 Mile North Of US 50.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT33 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

33 ft end to end, longest span 14 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.

Built192997 years old
Length33.1 ft10.1 m
Daily traffic690counted 2009
Last inspectedAugust 2024every 12 months

Location

StateMaryland
CountyQueen Anne's
Location0.47 Mile North Of US 50
CarriesMd 456
CrossesBr Of Wye River
Coordinates38.98436, -76.14650

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length33.1 ft (10.1 m)
Max Span14.1 ft (4.3 m)
Deck Width26.9 ft (8.2 m)
Deck Area82.8 sq m
Main Spans2
Year Built1929

Traffic

Avg Daily Traffic690 (2009)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical7 — Countermeasures installed
Structure Number100000170035010

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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