Structure 100000210092013 · Washington County, MD

Is 70 EB over Gr Tonoloway Ck Co Rds

Carries Is 70 EB over Gr Tonoloway Ck Co Rds, 0.67 Mile W Of Md 144wb.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT408 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

408 ft end to end, longest span 155 ft: about 6 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.

Built1965rebuilt 2004
Length408.1 ft124.4 m
Daily traffic19,611counted 2017
Last inspectedJuly 2024every 24 months

Location

StateMaryland
CountyWashington
Location0.67 Mile W Of Md 144wb
CarriesIs 70 EB
CrossesGr Tonoloway Ck Co Rds
Coordinates39.69912, -78.15492

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length408.1 ft (124.4 m)
Max Span154.9 ft (47.2 m)
Deck Width55.1 ft (16.8 m)
Deck Area2089.9 sq m
Main Spans3
Year Built1965 (reconstructed 2004)

Traffic

Avg Daily Traffic19,611 (2017)
Truck Traffic26%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number100000210092013

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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