90TH RD over SILVER CREEK

This bridge is no longer in the current National Bridge Inventory database, and has likely been demolished or abandoned.

Map

Coordinates:
+40.95167, -98.50667
40°57'06" N, 98°30'24" W

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	90TH RD over SILVER CREEK
Structure number:	C004022300
Location:	4.0W 0.5NW GRAND ISLAND
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	49.9 ft. `[15.2 m]`
Total length:	50.9 ft. `[15.5 m]`
Roadway width between curbs:	15.4 ft. `[4.7 m]`
Deck width edge-to-edge:	16.1 ft. `[4.9 m]`
Owner:	County Highway Agency `[02]`
Year built:	1935
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:	Concrete Cast-in-Place `[1]`
Wearing surface:	Gravel `[8]`

Good/Fair/Poor Condition:	Poor
Status:	Bridge closed to all traffic `[K]`
Average daily traffic:	30 `[as of 2003]`
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Poor `[4 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Deck geometry appraisal:	Better than present minimum criteria `[7]`
Water adequacy appraisal:	Better than present minimum criteria `[7]`
Roadway alignment appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Channel protection:	Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. `[4]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. `[3]`
Sufficiency rating:	23.9
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$151,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
January 2009	Poor	Fair	Poor	Fair	30	23.9