Bridge Type
Main Span(s): Wood or timber [7] Slab [01]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 15.2 m = 49.9 ft
Main Spans: 3 at 7.9 m = 25.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 10.4 m = 34.1 ft (2 Lanes) and Out-To-Out: 14.9 m = 48.9 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Big Creek [08220]: Oscoda County [135], Michigan [26]
Owned by County Highway Agency [02], DOT District: 2
SEC 25 BIG CREEK TWP
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: Greater than HL93 [B]
Operating: 68.4 metric ton = 75.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 52.8 metric ton = 58.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 1999 [1099] 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: 0.6 km = 0.4 mi
Traffic
ADT: 500 (2016) and Trucks: 10%
Future ADT: 700 (In 2036
)