Structure 100000100076011 · Frederick County, MD

Is 270 NB over Baker Valley RD

Carries Is 270 NB over Baker Valley RD, 2.96 Miles North Of Md 80.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT59 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 6/9

59 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.

Built1950rebuilt 1975
Length59.1 ft18 m
Daily traffic80,340counted 2009
Last inspectedJuly 2024every 24 months

Location

StateMaryland
CountyFrederick
Location2.96 Miles North Of Md 80
CarriesIs 270 NB
CrossesBaker Valley RD
Coordinates39.35324, -77.39349

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length59.1 ft (18 m)
Max Span55.1 ft (16.8 m)
Deck Width43.0 ft (13.1 m)
Deck Area235.8 sq m
Main Spans1
Year Built1950 (reconstructed 1975)

Traffic

Avg Daily Traffic80,340 (2009)
Truck Traffic8%
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 CriticalNot applicable
Structure Number100000100076011

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.

Nearby Bridges