LOCAL over TRIB DESMOINES RIVER

Map 

Facts 

Name:	LOCAL over TRIB DESMOINES RIVER
Structure number:	000000000329910
Location:	0701117
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) [09]
Length of largest span:	80.1 ft. [24.4 m]
Total length:	82.0 ft. [25.0 m]
Roadway width between curbs:	15.4 ft. [4.7 m]
Deck width edge-to-edge:	16.7 ft. [5.1 m]
Owner:	County Highway Agency [02]
Year built:	1916
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:	Concrete Cast-in-Place [1]
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) [1]

2010 Inspection 

Status:	Posted for other load-capacity restriction [R]
Average daily traffic:	35 [as of 2006]
Truck traffic:	14% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Serious [3 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:	35.2 tons [32.0 metric tons]
Inventory rating:	26.4 tons [24.0 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	30.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$363,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	40 [as of 1998]
Truck traffic:	15% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Fair [5 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:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	35.6 tons [32.4 metric tons]
Inventory rating:	26.7 tons [24.3 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	53.5
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$138,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	60 [as of 1989]
Truck traffic:	3% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 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:	35.6 tons [32.4 metric tons]
Inventory rating:	26.7 tons [24.3 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	65.7
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$122,000

Comments