I-25 WSR MP 246.30 over S.FORK POWDER RIVER

Map 

Facts 

Name:	I-25 WSR MP 246.30 over S.FORK POWDER RIVER
Structure number:	AJX
Location:	WYO 387 JCT - BUFFALO
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) [09]
Length of largest span:	243.1 ft. [74.1 m]
Total length:	327.1 ft. [99.7 m]
Roadway width between curbs:	20.0 ft. [6.1 m]
Deck width edge-to-edge:	22.0 ft. [6.7 m]
Owner:	State Highway Agency [01]
Year built:	1932
Historic significance:	Bridge is eligible for the National Register of Historic Places [2]
Design load:	M 13.5 / H 15 [2]
Number of main spans:	3
Main spans material:	Steel continuous [4]
Main spans design:	Truss - Deck [09]
Deck type:	Concrete Cast-in-Place [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	240 [as of 2008]
Truck traffic:	50% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Good [7 out of 9]
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]
Operating rating:	38.6 tons [35.1 metric tons]
Inventory rating:	22.8 tons [20.7 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	54.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$855,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,600 [as of 1996]
Truck traffic:	36% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Good [7 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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	27.7 tons [25.2 metric tons]
Inventory rating:	17.8 tons [16.2 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	51.8
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$855,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,600 [as of 1989]
Truck traffic:	36% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 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:	Scour calculation/evaluation has not been made. [6]
Operating rating:	27.7 tons [25.2 metric tons]
Inventory rating:	17.8 tons [16.2 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	52.8
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$66,000

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