Bridge Type
Main Span(s): Prestressed concrete continuous [6] 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: 106.8 m = 350.4 ft
Main Spans: 3 at 40.7 m = 133.5 ft
Approach Spans: 0
Skew: 19
Width, Roadway: 21 m = 68.9 ft (5 Lanes) and Out-To-Out: 23.9 m = 78.4 ft for a 21 m = 68.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
St. George [65330]: Washington County [053], Utah [49]
Owned by City or Municipal Highway Agency [04], DOT District: 4
SOUTH SIDE OF ST. GEORGE
Condition
Deck: Satisfactory [6]
Superstructure: Very Good [8]
Substructure: Satisfactory [6]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 40.2 metric ton = 44.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 34.3 metric ton = 37.7 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
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: 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: February 2020 [0220] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 28000 (2017) and Trucks: 10%
Future ADT: 35000 (In 2037
)