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Mars Hill Bridge

Map 

Description 

The Wapello County Mars Hill Bridge represents the first highway bridge in North America to utilize ultra-high performance concrete (UHPC).

Facts 

Overview
Bridge over Little Soap Creek on 100th Avenue
Location
Wapello County, Iowa
Status
Open to traffic
History
Built 2006
Builders
- Bloomfield Bridge & Culvert, Inc. of Bloomfield, Iowa
- Iowa Department of Transportation of Ames, Iowa
- Iowa State University Bridge Engineering Center of Ames, Iowa
- Lafarge Canada Inc. of Calgary, Alberta, Canada & Mississauga, Ontario, Canada
Design
Three 110ft long precast concrete modified 45in deep Iowa bulb-tee beams topped with a cast-in-place concrete bridge deck. The concrete offers such considerable strength that the beams were built without any shear reinforcement.
Dimensions
Length of largest span: 110.0 ft.
Total length: 113.0 ft.
Deck width: 24.5 ft.
Approximate latitude, longitude
+40.90417, -92.35214   (decimal degrees)
40°54'15" N, 92°21'08" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/554564/4528320 (zone/easting/northing)
Quadrangle map:
Agency
Land survey
T. 71 N., R. 13 W., Sec 33-34
Elevation
670 ft. above sea level
Inventory number
BH 53477 (Bridgehunter.com ID)

Update Log 

  • September 8, 2012: Updated by Clark Vance: Added category "First of its kind"

Related Bridges 

Sources 

  • Clark Vance - cvance [at] dogmail [dot] com
  • A Whole New Cast - Summary of project

Comments 

Mars Hill Bridge
Posted September 8, 2012, by Clark Vance (cvance [at] dogmail [dot] com)

Modern and historic.

Still ugly concrete although the slimmer beams hold promise for some interesting and attractive designs in the future.