EB NW 21st Street over MIA & MIC Ramps

Map

Coordinates:
+25.79472, -80.26250
25°47'41" N, 80°15'45" W

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

Name:	EB NW 21st Street over MIA & MIC Ramps
Structure number:	874648
Location:	MIA Intchg E of LeJeuneRd
Purpose:	Carries highway over highway
Route classification:	Minor Arterial (Urban) `[16]`
Length of largest span:	129.6 ft. `[39.5 m]`
Total length:	226.7 ft. `[69.1 m]`
Roadway width between curbs:	65.9 ft. `[20.1 m]`
Deck width edge-to-edge:	68.9 ft. `[21.0 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Skew angle:	24°
Owner:	County Highway Agency `[02]`
Year built:	2008
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:	2
Main spans material:	Steel continuous `[4]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	21,424 `[as of 2016]`
Truck traffic:	5% of total traffic
Deck condition:	Very Good `[8 out of 9]`
Superstructure condition:	Very Good `[8 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
Deck geometry appraisal:	Better than present minimum criteria `[7]`
Underclearances appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	98.0

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2018	Good	Very Good	Very Good	Good	21424	98.0
May 2016	Good	Very Good	Very Good	Good	21424	97.0
May 2014	Good	Very Good	Very Good	Very Good	21424	97.0
May 2012	Good	Very Good	Very Good	Very Good	21424	97.0
May 2010	Good	Very Good	Very Good	Very Good	21424	97.0
May 2008	Good	Excellent	Excellent	Excellent	21424	97.0