Rating:
1 vote

Conway Bridge

Photos 

Photo taken by Calvin Sneed in June 2010

Enlarge

BH Photo #167204

Map 

Street View 

Facts 

Overview
Four-span Steel & Lebby closed spandrel arch bridge over Nolichucky River on Briar Thicket Road/Knob Creek Road
Location
Cocke County, Tennessee, and Greene County, Tennessee
Status
Open to traffic
History
Built in 1924-1925 to replace the old Conway Ferry, which was being eliminated because the Tennessee Eastern Electric Company built the Nolichuky Dam upriver that changed the level of the stream.
Builder
- Steel & Lebby Bridge Co. of Knoxville, Tennessee
Design
Closed Spandrel Dual Ribbed Arch
Dimensions
Length of largest span: 96.1 ft.
Total length: 414.5 ft.
Deck width: 17.0 ft.
Recognition
Posted to the National Register of Historic Places on November 20, 2009
Also called
Nolichucky River Bridge
Approximate latitude, longitude
+36.12245, -83.12523   (decimal degrees)
36°07'21" N, 83°07'31" W   (degrees°minutes'seconds")
Approximate UTM coordinates
17/308741/3999621 (zone/easting/northing)
Quadrangle map:
Rankin
Inventory numbers
NRHP 09000948 (National Register of Historic Places reference number)
TN 150A9090001 (Tennessee bridge number)
BH 32465 (Bridgehunter.com ID)
Inspection (as of 11/2014)
Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 50.3 (out of 100)
Average daily traffic (as of 2016)
210

Update Log 

  • June 7, 2010: New photos from Calvin Sneed
  • August 1, 2008: Updated by Calvin Sneed

Sources 

  • Calvin Sneed - us43137415 [at] yahoo [dot] com

Comments 

Conway Bridge
Posted June 11, 2010, by Calvin Sneed (us43137415 [at] yahoo [dot] com)

I have identified 30 dual ribbed spandrel arch bridges in Tennessee, 5 of them eligible for the National Register of Historic Places. I have even located a 7-ribbed, spandrel arch bridge. I don't know if they're open or closed..my records don't show.

As I have found, the Conway (Nolichucky River) Bridge is the only dual-ribbed closed spandrel arch bridge that crosses a river in Tennessee. It's the only one of the 30 with 4 spans, and there is one with 5 spans.

The question is, are the rest of them still standing, and if so, are they open or closed spandrel? They were all built in the early 1920's. That is something I am researching, and will report back with pictures.

Conway Bridge
Posted June 8, 2010, by James Baughn (webmaster [at] bridgehunter [dot] com)

I've added a new design category called "Ribbed closed-spandrel arch." I was going to call it "dual-ribbed", but decided to leave it open in case somebody finds a three- or four-ribbed example.

Conway Bridge
Posted June 8, 2010, by Robert Elder (robertelder1 [at] gmail [dot] com)

Yes, the Georgia example certainly appears to be of the same design.

Conway Bridge
Posted June 8, 2010, by Eddie Douthitt (eddied62 [at] windstream [dot] net)

I believe this bridge in Georgia would also be considered a dual rib closed spandrel arch.

http://bridgehunter.com/ga/catoosa/graysville/

Conway Bridge
Posted June 8, 2010, by Robert Elder (robertelder1 [at] gmail [dot] com)

Interesting. I have seen many dual ribbed open-spandrel arches, but this is the first dual ribbed closed spandrel I have encountered. Perhaps this was a localized design.

Conway Bridge
Posted June 7, 2010, by Calvin Sneed (us43137415 [at] yahoo [dot] com)

They're not curved tee beams. T-DOT officially says all the spans are dual ribbed arches. A magnificent, elegant bridge in a quiet, tranquil setting.

Conway Bridge
Posted June 7, 2010, by Robert Elder (robertelder1 [at] gmail [dot] com)

Initially this bridge does resemble a deck arch. However, it might be better classified as a curved T-beam. Anybody have any thoughts on this?