Gregory Boulevard Bridge
From the NE corner
Photo taken by Clark Vance in December 2011
BH Photo #222354
The railroads under this bridge were shown as the MoPac and the Frisco in 1934. The Frisco line originally carried the Kansas City Southern until 1929 when they moved the alignment east along Blue Ridge. The Frisco line has been abandoned and the Union Pacific now owns the MoPac.
- Open spandrel multi-span concrete deck arch bridge over Big Blue River on Gregory Blvd.
- Jackson County, Missouri
- Open to traffic
- Built 1917; Superstructure replaced 1984
- - C. E. Allen (Resident Engineer)
- Horton Concrete Construction Co. (Contractor)
- Wadell & Son (Consulting Engineers)
- Multiple (5+) spans based on photo in library collection
Length of largest span: 140.0 ft.
Total length: 700.0 ft.
Deck width: 43.9 ft.
- Approximate latitude, longitude
- +38.99690, -94.52946 (decimal degrees)
38°59'49" N, 94°31'46" W (degrees°minutes'seconds")
- Approximate UTM coordinates
- 15/367552/4317544 (zone/easting/northing)
- Quadrangle map:
- Land survey
- T. 48 N., R. 33 W., Sec. 11
- Average daily traffic (as of 2018)
- Inventory numbers
- MoDOT S-121B21 (Missouri Dept. of Transportation bridge number)
MONBI 25478 (Missouri bridge number on the National Bridge Inventory)
BH 21696 (Bridgehunter.com ID)
- Inspection report (as of March 2018)
- Overall condition: Poor
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Poor (4 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 30.7 (out of 100)
View more at BridgeReports.com
- February 8, 2020: New photo from Geoff Hubbs
- March 21, 2012: Updated by Clark Vance: Adjusted category names
- December 23, 2011: Updated by Clark Vance: Added engineer and builder info from plaques
- November 14, 2011: Updated by Clark Vance: Elaborated on arch type
- January 19, 2011: New Street View added by Sheldon Wiens