+31.97005, -98.56303
31°58'12" N, 98°33'47" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SH 16 over DUNCAN CREEK
Structure number:230470028802025
Location:3.65 MI S OF FM 2318 E
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:40.0 ft. [12.2 m]
Total length:240.2 ft. [73.2 m]
Roadway width between curbs:28.9 ft. [8.8 m]
Deck width edge-to-edge:31.5 ft. [9.6 m]
Owner:State Highway Agency [01]
Year built:1963
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 18 / H 20 [4]
Number of main spans:6
Main spans material:Concrete [1]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,900 [as of 2013]
Truck traffic:14% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:78.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairGoodSatisfactorySatisfactory290078.0
August 2015FairGoodSatisfactorySatisfactory290077.9
August 2013FairGoodFairFair220069.9
August 2011FairGoodSatisfactorySatisfactory190083.8
August 2009FairGoodSatisfactorySatisfactory180084.0
September 2007FairGoodSatisfactorySatisfactory190083.9
September 2005FairVery GoodGoodSatisfactory190078.3
September 2003FairVery GoodVery GoodSatisfactory190079.0
September 2001FairVery GoodVery GoodSatisfactory190079.0
December 1999FairVery GoodVery GoodSatisfactory185079.0
December 1997FairVery GoodVery GoodSatisfactory230076.8
January 1996GoodVery GoodVery GoodGood230080.1
October 1993GoodVery GoodVery GoodVery Good190081.3
June 1992GoodVery GoodVery GoodVery Good190085.9
August 1990GoodVery GoodVery GoodVery Good165085.9