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MCMILLIAN ST. over I71;CONRAIL RR TUNNEL

Hamilton County, Ohio

Map 

Coordinates:
+39.12611, -84.49722
39°07'34" N, 84°29'50" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:MCMILLIAN ST. over I71;CONRAIL RR TUNNEL
Structure number:3114260
Location:.12MI S. OF WM.HOWARD TAF
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:89.9 ft. [27.4 m]
Total length:204.1 ft. [62.2 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance below bridge:24.0 ft. [7.3 m]
Skew angle:9°
Owner:State Highway Agency [01]
Year built:1972
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Other [9]

2010 Inspection 

Status:Open, no restriction [A]
Average daily traffic:100 [as of 1970]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Scour condition:Bridge not over waterway. [N]
Operating rating:44.6 tons [40.5 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:95.0

2000 Inspection 

Status:Open, no restriction [A]
Average daily traffic:100 [as of 1970]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Scour condition:Bridge not over waterway. [N]
Operating rating:44.6 tons [40.5 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:97.0

1992 Inspection 

Status:Open, no restriction [A]
Average daily traffic:100 [as of 1970]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.4 tons [54.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:97.0

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