Photos 

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Overview

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Arch ribs

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East end

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West end

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Close-up of west approach arch

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Underneath main span

Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Three-span concrete arch bridge over Hills Branch on IL 146 at Dixon Springs State Park
Location
Pope County, Illinois
Status
Open to two-lane traffic
History
Built 1928; rehabilitated 1975
Design
Open-spandrel arch
Dimensions
Length of largest span: 188.0 ft.
Total length: 347.8 ft.
Deck width: 30.8 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+37.38301, -88.67103   (decimal degrees)
37°22'59" N, 88°40'16" W   (degrees°minutes'seconds")
Land survey
T. 13 S., R. 5 E., Sec. 16
Inventory numbers
IL 076-0007 (Illinois bridge number)
BH 15617 (Bridgehunter.com ID)
Inspection (as of 07/2004)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Not deficient
Sufficiency rating: 65.8 (out of 100)
Average daily traffic (as of 2005)
2,100

Categories 

Arch (7,542)
Built 1928 (518)
Built during 1920s (4,003)
Deck arch (6,639)
IL 146 (3)
Illinois (815)
NR-eligible (2,570)
Open (21,537)
Open-spandrel arch (194)
Owned by state (6,495)
Pope County, Illinois (8)
Span length 175-250 feet (978)
Total length 250-500 feet (2,074)

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