Share:

COUNTY RD 559 over BEAVERHEAD RIVER 023

Map 

Coordinates:
+45.11583, -112.75056
45°06'57" N, 112°45'02" W
Source: National Bridge Inventory (2010 edition)
Information not verified. Use at your own risk.

Facts 

Name:COUNTY RD 559 over BEAVERHEAD RIVER 023
Structure number:L01559000+02001
Location:2 KM S BARRETTS INT
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:96.1 ft. [29.3 m]
Total length:96.1 ft. [29.3 m]
Roadway width between curbs:14.1 ft. [4.3 m]
Deck width edge-to-edge:14.1 ft. [4.3 m]
Vertical clearance above deck:15.4 ft. [4.7 m]
Owner:County Highway Agency [02]
Year built:1908
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Corrugated Steel [6]
Wearing surface:Wood or Timber [7]

2010 Inspection 

Status:Open, posting recommended but not legally implemented [B]
Average daily traffic:100 [as of 2006]
Truck traffic:3% of total traffic
Deck condition:Good [7 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 with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:16.9 tons [15.4 metric tons]
Inventory rating:10.0 tons [9.1 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:41.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,115,000