Photos 

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Deck view

These photos were taken by Jonathan Maxwell
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Close-up of arch

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Modern plaque

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Oblique view

These photos from the Historic American Engineering Record show the deteriorated before before its rehabilitation in 1992 [HAER photos taken July 1986 by Louise Taft Cawood]
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Deck view

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Original steel grate deck

Facts 

Overview
Rainbow arch bridge over Mill Creek on Benson Street on the line between Lockland and Reading
Location
Hamilton County, Ohio
Status
Open to two-lane traffic
History
Built 1909-10 by engineer E. A. Gast; rehabilitated 1992
Design
Concrete pony arch
Dimensions
Length of largest span: 75.1 ft.
Total length: 100.1 ft.
Deck width: 31.2 ft.
Recognition
Eligible for the National Register of Historic Places
Inventory numbers
ODOT 3137600 (Ohio Dept. of Transportation structure feature number)
BH 27597 (Bridgehunter.com ID)
Inspection (as of 09/2006)
Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 70.4 (out of 100)
Average daily traffic (as of 1975)
6,500

Categories 

Arch (7,574)
Built 1909 (283)
Built during 1900s (2,372)
Concrete pony arch (21)
Functionally obsolete (5,078)
HAER documented (324)
Hamilton County, Ohio (30)
NR-eligible (2,573)
Ohio (1,659)
Open (21,688)
Owned by county (14,195)
Rainbow arch (150)
Span length 75-100 feet (3,271)
Total length 100-125 feet (2,432)

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Sources 

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