Centennial Bridge

Photos 

Elevation From West

Photo by Joe Elliott, Summer 1995, for HAER

View photos at Library of Congress

BH Photo #123909

Map 

Street Views 

Bridge History & Facts 

Go to this link for some interesting facts...

http://en.wikipedia.org/wiki/Rock_Island_Centennial_Bridge

Facts 

Overview

Steel through arch bridge over the Mississippi River on US 67 between Davenport and Rock Island

Location

Davenport, Scott County, Iowa, and Rock Island County, Illinois

Status

Open to traffic

History

Completed July 12, 1940; rehabilitated 1996; tolls removed May 2, 2003

Builders

- American Bridge Co. of New York
- Ash, Howard, Needles, & Tammen of Kansas City, Missouri (Designer)
- McCarthy Improvement Co. of Davenport, Iowa
- Ned L. Ashton of Iowa City, Iowa (Engineer)
- Priester Construction Co. of Davenport, Iowa

Design

This bridge is a major river span and was the first tied-arch span across the Mississippi River. The bridge was fabricated, and the superstructure built, by American Bridge Company, New York, one of the largest bridge companies in American history. The bridge's designer, Ned L. Ashton, was one of Iowa's most influential engineers.

Dimensions

Length of largest span: 538.1 ft.
Total length: 3,854.2 ft. (0.7 mi.)
Deck width: 45.9 ft.

Also called

Master Sgt. Stanley Talbot Memorial Bridge (Official Name)

Approximate latitude, longitude

+41.51517, -90.58163   (decimal degrees)
41°30'55" N, 90°34'54" W   (degrees°minutes'seconds")

Approximate UTM coordinates

15/701804/4598771 (zone/easting/northing)

Quadrangle map:

Davenport East

Average daily traffic (as of 2018)

33,500

Inventory numbers

IA 47020 (Iowa bridge number)
BH 37423 (Bridgehunter.com ID)

Inspection report (as of July 2018)

Overall condition: Poor
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 22.6 (out of 100)
View more at BridgeReports.com

Categories 

Update Log 

• October 2, 2021: Updated by Luke: Added categories "Tied arch", "First of its kind"
• August 6, 2021: New photo from Geoff Hubbs
• March 27, 2021: New photo from Geoff Hubbs
• June 2, 2019: New photo from Luke
• January 4, 2019: New photo from Melissa Brand-Welch
• March 3, 2018: New photo from David Sebben
• July 17, 2017: Updated by Luke: Added new official name to alt names section
• April 16, 2017: New photos from David Sebben
• February 22, 2015: Photo imported by Dave King
• August 4, 2014: Updated by Luke: Presently under construction
• July 27, 2013: New Street View added by Dave King
• September 8, 2012: Photo imported by Luke Harden
• August 18, 2012: Updated by Luke Harden: Added builders.
• May 27, 2012: Photo imported by Luke Harden
• October 8, 2011: Photo imported by Luke Harden
• July 21, 2011: New photos from J.R. Manning
• March 25, 2009: New photo from Quinn Phelan
• March 3, 2009: Essay added by Quinn Phelan
• September 13, 2008: Added by J.R. Manning

Sources 

• J.R. Manning - thekitchenguy [at] sbcglobal [dot] net
• HAER IA-73 - Centennial Bridge
• Quinn Phelan - qphelan [at] earthlink [dot] net
• Wikipedia
• Luke
• Dave King - DKinghawkfan [at] hotmail [dot] com
• David Sebben
• Melissa Brand-Welch - melissabrandwelch [at] msn [dot] com
• Geoff Hubbs

Comments