Structure 200000M-0111010 · Montgomery County, MD

Valley Road over Bulls Run

Carries Valley Road over Bulls Run, 40 Ft E Of Fallen Oak RD.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT32 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

32 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 slab bridge.

Built1964rebuilt 2015
Length32.2 ft9.8 m
Daily traffic216counted 2022
Last inspectedFebruary 2024every 24 months

Location

StateMaryland
CountyMontgomery
Location40 Ft E Of Fallen Oak RD
CarriesValley Road
CrossesBulls Run
Coordinates38.99936, -77.12973

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length32.2 ft (9.8 m)
Max Span28.9 ft (8.8 m)
Deck Width39.0 ft (11.9 m)
Deck Area116.6 sq m
Main Spans1
Year Built1964 (reconstructed 2015)

Traffic

Avg Daily Traffic216 (2022)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number200000M-0111010

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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