Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
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: 15.2 m = 49.9 ft
Main Spans: 1 at 14.3 m = 46.9 ft
Approach Spans: 0
Skew: 38
Width, Roadway: 10.8 m = 35.4 ft (2 Lanes) and Out-To-Out: 14.8 m = 48.6 ft for a 10.8 m = 35.4 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Morenci [55500]: Lenawee County [091], Michigan [26]
Owned by City or Municipal Highway Agency [04], DOT District: 6
0.34 MI EAST OF M-156
Condition
Deck: Excellent [9]
Superstructure: Excellent [9]
Substructure: Excellent [9]
Loading
Design: Greater than HL93 [B]
Operating: 93.3 metric ton = 102.6 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 71.9 metric ton = 79.1 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: Better than present minimum criteria [7]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 3000 (2018) and Trucks: 2%
Future ADT: 5100 (In 2038
)
