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: 37.9 m = 124.3 ft
Main Spans: 3 at 15.6 m = 51.2 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11.5 m = 37.7 ft (2 Lanes) and Out-To-Out: 12 m = 39.4 ft for a 11.5 m = 37.7 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Lewis and Clark County [049], Montana [30]
Owned by State Highway Agency [01], DOT District: 3
CRAIG
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 48.1 metric ton = 52.9 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 37.2 metric ton = 40.9 tons (Load and Resistance Factor(LRFR) [3])
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: April 2020 [0420] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 2105 (2019) and Trucks: 16%
Future ADT: 4651 (In 2039
)