COUNTY RD 21 over WALNUT CR

Map 

Facts 

Name:	COUNTY RD 21 over WALNUT CR
Structure number:	29542
Location:	S 20 T 60 N R 16 W
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) [09]
Length of largest span:	60.0 ft. [18.3 m]
Total length:	180.1 ft. [54.9 m]
Roadway width between curbs:	24.0 ft. [7.3 m]
Deck width edge-to-edge:	24.6 ft. [7.5 m]
Owner:	County Highway Agency [02]
Year built:	2002
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:	3
Main spans material:	Prestressed concrete continuous [6]
Main spans design:	Tee beam [04]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	40 [as of 2008]
Truck traffic:	25% of total traffic
Deck condition:	Excellent [9 out of 9]
Superstructure condition:	Excellent [9 out of 9]
Substructure condition:	Excellent [9 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:	62.4 tons [56.7 metric tons]
Inventory rating:	36.6 tons [33.3 metric tons]
Sufficiency rating:	100.0

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