HistoricBridges.org Menu: HistoricBridges.org Menu:



BridgeSeek

Nearby Bridges in NBI 2021: 1


US 26 (HWY 47) over N Fork Necanicum River (Route: 26)
Num:06524 047 00707x
Open: no restriction [A]
Built: 1942, Reconstructed: N/A [0000]
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Girder and floorbeam system [03]
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: 30.5 m = 100.1 ft
Main Spans: 3 at 17.3 m = 56.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 10.5 m = 34.5 ft (2 Lanes) and Out-To-Out: 11 m = 36.1 ft for a 10.5 m = 34.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Clatsop County [007], Oregon [41]
Owned by State Highway Agency [01], DOT District: 1
071 MI SE CANNON BCH JCT
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 39 metric ton = 42.9 tons (Load Factor(LF) [1])
Inventory: 23.6 metric ton = 26.0 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: Equal to present desirable criteria [8] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: May 1999 [599] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 4.8 km = 3.0 mi
Traffic
ADT: 7600 (2018) and Trucks: 11%
Future ADT: 8900 (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.

Divider

Back

Top

Divider

About - Contact

Divider