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: 11 m = 36.1 ft
Main Spans: 1 at 11 m = 36.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.9 m = 25.9 ft (2 Lanes) and Out-To-Out: 8.9 m = 29.2 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Custer [19440]: Mason County [105], Michigan [26]
Owned by County Highway Agency [02], DOT District: 3
4 MI N 1 MI E SCOTTVILLE
Condition
Deck: Excellent [9]
Superstructure: Excellent [9]
Substructure: Excellent [9]
Loading
Design: Greater than HL93 [B]
Operating: 69.7 metric ton = 76.7 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 53.8 metric ton = 59.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Superior to present desirable criteria [9]
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: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: May 1999 [599] 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: 0.8 km = 0.5 mi
Traffic
ADT: 167 (2018) and Trucks: 5%
Future ADT: 297 (In 2038
)
