Structure 200000F-F-10020 · Frederick County, MD

N. Bentz Street over Carroll Creek

Carries N. Bentz Street over Carroll Creek, 365 North Of Md 144.

Overall conditionFair

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT145 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

145 ft end to end: about 2 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 slab bridge.

Built199234 years old
Length145.0 ft44.2 m
Daily traffic7,250counted 2019
Last inspectedJune 2024every 24 months

Location

StateMaryland
CountyFrederick
Location365 North Of Md 144
CarriesN. Bentz Street
CrossesCarroll Creek
Coordinates39.69753, -77.69827

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length145.0 ft (44.2 m)
Max Span19.0 ft (5.8 m)
Deck Width3.0 ft (0.9 m)
Deck Area39.8 sq m
Main Spans1
Year Built1992

Traffic

Avg Daily Traffic7,250 (2019)
Truck Traffic7%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number200000F-F-10020

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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