Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 68.6 m = 225.1 ft
Main Spans: 3 at 22.8 m = 74.8 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 18 m = 59.1 ft (4 Lanes) and Out-To-Out: 23.3 m = 76.4 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Flint [29000]: Genesee County [049], Michigan [26]
Owned by City or Municipal Highway Agency [04], DOT District: 4
IN CITY OF FLINT
Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 42.8 metric ton = 47.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 33 metric ton = 36.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 18849 (2001) and Trucks: 8%
Future ADT: 25943 (In 2015
)