COUNTY ROAD 062 over YELLOWSTONE RIVER 094

Map

Coordinates:
+46.53139, -105.71389
46°31'53" N, 105°42'50" W

Source: National Bridge Inventory (2010 edition)
Information not verified. Use at your own risk.

Name:	COUNTY ROAD 062 over YELLOWSTONE RIVER 094
Structure number:	L09062002+06001
Location:	9M NE MILES CITY
Purpose:	Carries highway over waterway
Route classification:	Minor Arterial (Rural) `[06]`
Length of largest span:	270.0 ft. `[82.3 m]`
Total length:	1080.1 ft. `[329.2 m]`
Roadway width between curbs:	8.9 ft. `[2.7 m]`
Deck width edge-to-edge:	10.2 ft. `[3.1 m]`
Vertical clearance above deck:	18.0 ft. `[5.5 m]`
Vertical clearance below bridge:	23.6 ft. `[7.2 m]`
Owner:	County Highway Agency `[02]`
Year built:	1907
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:	4
Main spans material:	Steel `[3]`
Main spans design:	Truss - Thru `[10]`
Deck type:	Steel plate (includes orthotropic) `[5]`
Wearing surface:	Wood or Timber `[7]`

Status:	Open, no restriction `[A]`
Average daily traffic:	100 `[as of 2006]`
Truck traffic:	2% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
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]`
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. `[3]`
Operating rating:	35.9 tons `[32.6 metric tons]`
Inventory rating:	35.9 tons `[32.6 metric tons]`
Evaluation:	Functionally obsolete `[2]`
Sufficiency rating:	73.6
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$9,765,000