County Road 129 over Mad Creek


+40.56550, -106.88912
40°33'56" N, 106°53'21" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:County Road 129 over Mad Creek
Structure number:107012905.40912
Location:5.4 Mi N of US Hwy 40
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:79.1 ft. [24.1 m]
Total length:85.0 ft. [25.9 m]
Roadway width between curbs:27.2 ft. [8.3 m]
Deck width edge-to-edge:28.2 ft. [8.6 m]
Owner:County Highway Agency [02]
Year built:1981
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Other [9]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,679 [as of 2016]
Truck traffic:9% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:77.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$466,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018GoodGoodGoodGood267977.2
October 2016GoodGoodGoodGood139979.7
October 2014GoodGoodGoodVery Good139980.7
October 2012GoodGoodGoodVery Good139980.7
October 2010FairGoodSatisfactoryVery Good199580.5
September 2008GoodGoodGoodVery Good199580.5
September 2006GoodGoodGoodVery Good244478.3
August 2004GoodGoodGoodVery Good244478.3
September 2002PoorGoodPoorVery Good244447.2
September 2000FairVery GoodSatisfactoryGood195876.7
September 1999FairGoodSatisfactoryGood195876.7
September 1998FairGoodSatisfactoryGood195876.7
September 1996FairGoodSatisfactoryVery Good169076.8
September 1994FairGoodSatisfactoryVery Good169076.3
August 1992GoodGoodGoodVery Good169084.9
October 1990GoodVery GoodGoodVery Good109186.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.5955563180
Prestressed Concrete Top Flangesq. ft.2,4062,406000
Wearing Surfacessq. ft.2,3212,321000
Reinforced Concrete Abutmentlinear ft.6865300
Other Jointlinear ft.51041010000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.255255000
Steel Protective Coatingsq. ft.255255000