Rating:
No votes cast

Flat Creek Bridge

Lewis and Clark County, Montana

Photos 

Flat Creek Bridge - Birdtail Road

Southwest portal

Photo taken by David Jones in March 2017

Enlarge

BH Photo #383222

Map 

Facts 

Overview
Pony truss bridge over Flat Creek on CR 320
Location
Lewis and Clark County, Montana
Status
Open to traffic
History
Built 1901
Builder
- King Bridge Co. of Cleveland, Ohio
Design
Pin-connected, 4-panel Pratt pony truss
Dimensions
Length of largest span: 59.1 ft.
Total length: 61.0 ft.
Deck width: 15.7 ft.
Approximate latitude, longitude
+47.25278, -112.06333   (decimal degrees)
47°15'10" N, 112°03'48" W   (degrees°minutes'seconds")
Approximate UTM coordinates
12/419541/5233803 (zone/easting/northing)
Quadrangle map:
Henry Creek
Average daily traffic (as of 2002)
100
Inventory number
BH 23075 (Bridgehunter.com ID)
Inspection report (as of November 2015)
Overall condition: Fair
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 26 (out of 100)
View more at BridgeReports.com

Categories 

4-panel truss (258)
Built 1901 (497)
Built during 1900s (6,624)
King Bridge Co. (311)
Lewis and Clark County, Montana (35)
Montana (678)
One-lane traffic (7,527)
Open (37,871)
Owned by county (19,448)
 Pin-connected (3,634)
Pony truss (15,405)
Pratt pony truss (3,306)
Pratt truss (8,361)
Span length 50-75 feet (9,339)
Structurally deficient (17,484)
Total length 50-75 feet (8,790)
Truss (30,520)
Wooden deck (5,966)

Update Log 

  • August 11, 2017: Updated by Christopher Finigan: Added category "Pin-connected"
  • March 15, 2017: New photos from David Jones

Sources 

  • David Jones - david2jpix [at] yahoo [dot] com
Post a comment here
Contact webmaster

Comments 

Flat Creek Bridge
Posted March 15, 2017, by David Jones (david2jpix [at] yahoo [dot] com)

Builder's Plaque says this bridge was built by the King Bridge Co of Cleveland Ohio.