UNU 169 over MINN R: UP RR; STREET (Route: 169)
Num:7042x
Open: no restriction [A]
Built: 1985, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Low slump Concrete [4]

Bridge Dimensions
Length: 284.3 m = 932.8 ft
Main Spans: 6 at 52.4 m = 171.9 ft
Approach Spans: 0
Skew: 8
Width, Roadway: 23.2 m = 76.1 ft (6 Lanes) and Out-To-Out: 29.4 m = 96.5 ft for a 28.7 m = 94.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Mankato [39878]: Blue Earth County [013], Minnesota [27]
Owned by State Highway Agency [01], DOT District: 7
0.1 MI SE OF JCT TH 169

Condition
Deck: Poor [4]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 66.5 metric ton = 73.2 tons (Load Factor(LF) [1])
Inventory: 39.6 metric ton = 43.6 tons (Load Factor(LF) [1])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
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: June 2020 [0620] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 20700 (2019) and Trucks: 4%
Future ADT: 21500 (In 2039 )

UNU 169 over US 169 (Route: 169)
Num:52009x
Open: no restriction [A]
Built: 1985, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Low slump Concrete [4]

Bridge Dimensions
Length: 44.1 m = 144.7 ft
Main Spans: 2 at 22.5 m = 73.8 ft
Approach Spans: 0
Skew: 18
Width, Roadway: 24.4 m = 80.1 ft (6 Lanes) and Out-To-Out: 32.4 m = 106.3 ft for a 25.6 m = 84.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
North Mankato [47068]: Nicollet County [103], Minnesota [27]
Owned by State Highway Agency [01], DOT District: 7
1.6 MI S OF JCT TH 14

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 51.2 metric ton = 56.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 29.8 metric ton = 32.8 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])

Appraisal
Structural: Better than present minimum criteria [7]
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: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: August 1999 [899] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 20700 (2019) and Trucks: 4%
Future ADT: 21500 (In 2039 )