Structure 100000120024010 · Harford County, MD

US 40 over Cranberry Run

Carries US 40 over Cranberry Run, 0.32 Mile East Of Md 159.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
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 7/9Superstructure 7/9Substructure 6/9 · sets the rating

33 ft end to end. 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 multi-beam bridge.

Built1935rebuilt 2018
Length33.1 ft10.1 m
Daily traffic34,600counted 2009
Last inspectedDecember 2023every 24 months

Location

StateMaryland
CountyHarford
Location0.32 Mile East Of Md 159
CarriesUS 40
CrossesCranberry Run
Coordinates39.49065, -76.19209

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length33.1 ft (10.1 m)
Max Span26.9 ft (8.2 m)
Deck Width13.5 ft (4.1 m)
Deck Area41.4 sq m
Main Spans1
Year Built1935 (reconstructed 2018)

Traffic

Avg Daily Traffic34,600 (2009)
Truck Traffic9%
Lanes On Bridge7

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number100000120024010

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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