Structure 100000170043020 · Queen Anne's County, MD

Md 404 over Br Of Norwich Creek

Carries Md 404 over Br Of Norwich Creek, 1.1 Mi W Of Md 309.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT26 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 26 ft across. 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, so those are drawn as typical for a culvert.

Built1949rebuilt 2017
Length26.2 ft8 m
Daily traffic19,600counted 2015
Last inspectedAugust 2023every 24 months

Location

StateMaryland
CountyQueen Anne's
Location1.1 Mi W Of Md 309
CarriesMd 404
CrossesBr Of Norwich Creek
Coordinates38.92388, -75.97841

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length26.2 ft (8 m)
Max Span7.9 ft (2.4 m)
Deck Area185.6 sq m
Year Built1949 (reconstructed 2017)

Traffic

Avg Daily Traffic19,600 (2015)
Truck Traffic8%
Lanes On Bridge5

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number100000170043020

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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