County Road 110 over Tongue River


+44.90239, -107.03110
44°54'09" N, 107°01'52" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:County Road 110 over Tongue River
Structure number:MGG
Location:7 Mi Nw Of Sheridan
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:54.1 ft. [16.5 m]
Total length:95.1 ft. [29.0 m]
Roadway width between curbs:15.1 ft. [4.6 m]
Deck width edge-to-edge:15.1 ft. [4.6 m]
Owner:County Highway Agency [02]
Year built:1903
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Truss - Thru [10]
Deck type:Corrugated Steel [6]
Wearing surface:Gravel [8]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:139 [as of 2017]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Serious [3 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:17.6
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$526,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018PoorGoodSeriousSerious13917.6
May 2017PoorGoodSeriousSerious3428.3
April 2016PoorGoodSeriousSerious15016.9
April 2015PoorPoorSeriousSerious1788.2
May 2014PoorSatisfactorySeriousSerious17815.3
April 2013PoorSatisfactorySeriousSerious17815.3
April 2012PoorSatisfactorySeriousSerious17812.6
April 2011PoorSatisfactorySeriousSerious17915.2
April 2010PoorSatisfactorySeriousSerious18115.1
May 2009PoorSatisfactoryPoorSerious18015.1
February 2009PoorGoodPoorSerious18015.1