FM 99 over Frio River


+28.52409, -98.39005
28°31'27" N, 98°23'24" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FM 99 over Frio River
Structure number:151620034813029
Location:5.70 Mi NE of SH 72
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:80.1 ft. [24.4 m]
Total length:790.1 ft. [240.8 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:42.0 ft. [12.8 m]
Owner:State Highway Agency [01]
Year built:1980
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:10
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,320 [as of 2013]
Truck traffic:23% 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:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Superior to present desirable criteria [9]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:92.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018GoodGoodGoodGood232092.5
July 2016GoodGoodGoodGood232092.5
January 2015GoodGoodGoodGood65096.4
January 2013GoodGoodGoodGood65096.4
January 2011GoodGoodGoodGood21097.5
February 2009GoodVery GoodGoodGood37097.1
February 2007GoodVery GoodGoodGood33097.2
January 2005GoodVery GoodGoodGood29099.3
February 2003GoodGoodGoodGood17099.6
February 2001GoodGoodVery GoodGood34099.2
December 1998FairVery GoodVery GoodSatisfactory23099.4
June 1996GoodVery GoodVery GoodGood31099.2
May 1994GoodVery GoodVery GoodGood28099.3
September 1991GoodVery GoodVery GoodGood39099.0