+48.43115, -112.69771
48°25'52" N, 112°41'52" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IRR - US 89 over AGENCY CREEK
Structure number:P00003096+01891
Location:15M SE BROWNING
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:69.9 ft. [21.3 m]
Total length:70.9 ft. [21.6 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:37.1 ft. [11.3 m]
Skew angle:25°
Owner:State Highway Agency [01]
Year built:1966
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: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: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,210 [as of 2016]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Very Good [8 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: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 the assessed or calculated scour condition. [8]
Sufficiency rating:82.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairFairVery GoodGood121082.6
September 2015FairFairVery GoodGood140080.7
October 2013FairSatisfactoryVery GoodGood140081.9
October 2011FairSatisfactoryVery GoodGood140081.9
October 2009FairSatisfactoryVery GoodGood135082.4
October 2007FairSatisfactoryVery GoodVery Good135082.4
April 2004GoodGoodVery GoodVery Good110084.7
April 2000GoodGoodVery GoodVery Good149081.1
May 1999GoodVery GoodVery GoodVery Good105083.2
January 1994GoodVery GoodVery GoodVery Good105083.2
November 1991GoodVery GoodVery GoodVery Good81684.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.495495000
Reinforced Concrete Decksq. ft.2,6262,267302570
Reinforced Concrete Abutmentlinear ft.9595000
Fixed Bearingeach145900
Steel Protective Coatingsq. ft.147313
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1411251600
Steel Protective Coatingsq. ft.5645480016