LOCAL over TRIB DES MOINES RIVER

Map 

Facts 

Name:	LOCAL over TRIB DES MOINES RIVER
Structure number:	000000000327620
Location:	0680832
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) [09]
Length of largest span:	89.9 ft. [27.4 m]
Total length:	94.2 ft. [28.7 m]
Roadway width between curbs:	20.3 ft. [6.2 m]
Deck width edge-to-edge:	20.3 ft. [6.2 m]
Owner:	County Highway Agency [02]
Year built:	1910
Historic significance:	Bridge is possibly eligible for the National Register of Historic Places [3]
Main span material:	Steel [3]
Main span design:	Truss - Thru [10]
Deck type:	Wood or Timber [8]
Wearing surface:	Gravel [8]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	50 [as of 2006]
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Fair [5 out of 9]
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]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	37.2 tons [33.8 metric tons]
Inventory rating:	25.4 tons [23.1 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	48.7
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$450,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	50 [as of 1998]
Truck traffic:	14% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Fair [5 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:	37.6 tons [34.2 metric tons]
Inventory rating:	25.7 tons [23.4 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	47.2
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$168,000

1992 Inspection 

Status:	Posted for load [P]
Average daily traffic:	40 [as of 1989]
Truck traffic:	2% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Serious [3 out of 9]
Substructure condition:	Satisfactory [6 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:	Scour calculation/evaluation has not been made. [6]
Operating rating:	22.8 tons [20.7 metric tons]
Inventory rating:	13.9 tons [12.6 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	32.9
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$147,000

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