Structure 2508923 · Franklin County, OH

Alum Creek Drive over Sr-104

Carries Alum Creek Drive over Sr-104, 0.69 Mi W Of US 33.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT240 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 7/9 · sets the rating

240 ft end to end, longest span 109 ft: about 3 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 multi-beam bridge.

Built198640 years old
Length240.2 ft73.2 m
Daily traffic15,845counted 2015
Last inspectedOctober 2024every 24 months

Location

StateOhio
CountyFranklin
Location0.69 Mi W Of US 33
CarriesAlum Creek Drive
CrossesSr-104
Coordinates39.91953, -82.93135

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length240.2 ft (73.2 m)
Max Span108.9 ft (33.2 m)
Deck Width77.1 ft (23.5 m)
Deck Area1720.2 sq m
Main Spans2
Year Built1986

Traffic

Avg Daily Traffic15,845 (2015)
Truck Traffic7%
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number2508923

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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