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Nearby Bridges in NBI 2021: 2


CO RD 47670 over ENTIAT RIVER (Route: 47670)
Num:81058000000000x
Open: no restriction [A]
Built: 1921, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Culvert [19]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 37.8 m = 124.0 ft
Main Spans: 1 at 27.4 m = 89.9 ft
Approach Spans: 0
Skew: 10
Width, Roadway: 5.9 m = 19.4 ft (2 Lanes) and Out-To-Out: 6.7 m = 22.0 ft for a 6.1 m = 20.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Entiat [22010]: Chelan County [007], Washington [53]
Owned by County Highway Agency [02], DOT District: 2
04.1W ENTIAT
Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design:
Operating: 81.6 metric ton = 89.8 tons (Load Factor(LF) [1])
Inventory: 49 metric ton = 53.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: October 2020 [1020] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 59 (2018) and Trucks: 7%
Future ADT: 74 (In 2038 )
ENTIAT RIVER ROAD over ENTIAT RIVER (Route: 94470)
Num:81306000000000x
Open: no restriction [A]
Built: 1974, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete continuous [6] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 85.6 m = 280.9 ft
Main Spans: 3 at 31.7 m = 104.0 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 9.8 m = 32.2 ft (2 Lanes) and Out-To-Out: 10.6 m = 34.8 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Entiat [22010]: Chelan County [007], Washington [53]
Owned by County Highway Agency [02], DOT District: 2
03.9W JCT SR 97
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 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])
Inventory: 23 metric ton = 25.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
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 minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: August 1999 [899] and Frequency: 24
Future Work
Work Needed: Bridge deck rehabilitation with only incidental widening. [36]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 1274 (2018) and Trucks: 16%
Future ADT: 1593 (In 2038 )

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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