Share:

SEWARD HIGHWAY over PORTAGE CREEK NO 2

Map 

Coordinates:
+60.82833, -148.97667
60°49'42" N, 148°58'36" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:SEWARD HIGHWAY over PORTAGE CREEK NO 2
Structure number:0631
Location:MILE POINT 78.6
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:81.0 ft. [24.7 m]
Total length:243.1 ft. [74.1 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Owner:State Highway Agency [01]
Year built:1967
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2015 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,609 [as of 2014]
Truck traffic:13% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge over "tidal" waters that has not been evaluated for scour, but considered low risk. [T]
Operating rating:65.2 tons [59.3 metric tons]
Inventory rating:30.0 tons [27.3 metric tons]
Sufficiency rating:57.3

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201557.3FairFairSatisfactorySatisfactory-5609
June 201344.3PoorPoorFairSatisfactorySD5604
June 201245.8PoorPoorFairSatisfactorySD6370
June 201156.8PoorPoorSatisfactorySatisfactorySD6510
May 200957.5PoorPoorSatisfactorySatisfactorySD5458
August 200756.8PoorPoorSatisfactorySatisfactorySD5520
May 200556.8PoorPoorSatisfactorySatisfactorySD5729
September 200356.8PoorPoorSatisfactorySatisfactorySD5090
June 200145.8PoorPoorFairFairSD4330
July 199945.8PoorPoorFairFairSD4224
June 199745.8PoorPoorFairFairSD4200
August 199548.0PoorPoorGoodFairSD4200
June 199349.0PoorPoorGoodFairSD3949
October 199163.0GoodGoodGoodVery Good-3930