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Nearby Bridges in NBI 2021: 2


DUNCAN ST over RIVER RAISIN (Route: 0)
Num:11083x
Open: no restriction [A]
Built: 1970, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 14.9 m = 48.9 ft
Main Spans: 1 at 14.9 m = 48.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 10.3 m = 33.8 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Manchester [50660]: Washtenaw County [161], Michigan [26]
Owned by City or Municipal Highway Agency [04], DOT District: 6
IN VILLAGE OF MANCHESTER
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 71.8 metric ton = 79.0 tons (Load Factor(LF) [1])
Inventory: 43 metric ton = 47.3 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
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: May 1999 [599] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 2300 (1997) and Trucks: 0%
Future ADT: 2300 (In 2017 )
MAIN STREET over RIVER RAISIN (Route: 8118)
Num:11084x
Open: no restriction [A]
Built: 2016, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

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: 41.1 m = 134.8 ft
Main Spans: 1 at 39.3 m = 128.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 17 m = 55.8 ft for a 12.4 m = 40.7 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Manchester [50660]: Washtenaw County [161], Michigan [26]
Owned by City or Municipal Highway Agency [04], DOT District: 6
IN MANCHESTER
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: Greater than HL93 [B]
Operating: 47.6 metric ton = 52.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 35 metric ton = 38.5 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: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 2020 [0620] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 2800 (2014) and Trucks: 10%
Future ADT: 3420 (In 2035 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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