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: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 809.2 m = 2655.0 ft
Main Spans: 19 at 46 m = 150.9 ft
Approach Spans: 0
Skew: 99
Width, Roadway: 18.3 m = 60.0 ft (4 Lanes) and Out-To-Out: 21.3 m = 69.9 ft for a 14.6 m = 47.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Anchorage [03000]: Anchorage Municipality [020], Alaska [02]
Owned by State Highway Agency [01], DOT District: 1
MILE POINT 0.6
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 33.9 metric ton = 37.3 tons (Load Factor(LF) [1])
Inventory: 31 metric ton = 34.1 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
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: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 1999 [899] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 12801 (2018) and Trucks: 47%
Future ADT: 15918 (In 2035
)