US-18 over Mule Creek


+43.36636, -104.23215
43°21'59" N, 104°13'56" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US-18 over Mule Creek
Structure number:FGP
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:12.1 ft. [3.7 m]
Total length:24.6 ft. [7.5 m]
Owner:State Highway Agency [01]
Year built:1988
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,458 [as of 2017]
Truck traffic:14% of total traffic
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Culvert condition:Moderate to major deterioration or disintegration, extensive cracking and leaching or spalls on concrete or masonry walls and slabs. Minor settlement or misalignment. Noticeable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection in one section, significant corrosion or deep pitting. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:54.0

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
March 2018Fair5 out of 10245854.0
April 2016Fair6 out of 10208265.0
April 2014Fair6 out of 10170380.3
June 2012Fair6 out of 10168380.5
April 2010Fair6 out of 10164880.7
June 2008Fair6 out of 10163080.9
April 2006Fair6 out of 10165080.7
April 2004Fair6 out of 10165080.7
April 2002Fair6 out of 10170080.3
April 2000Good7 out of 10172080.2
February 1998Good7 out of 10158080.2
January 1996Good8 out of 10145081.2
February 1994Good7 out of 10146081.2
March 1992Good7 out of 10144081.3
April 1990Good8 out of 10142081.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.176174110