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SR 278 EUREKA-CARL over HUMBOLDT RVR

Map 

Coordinates:
+40.69833, -116.12667
40°41'54" N, 116°07'36" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:SR 278 EUREKA-CARL over HUMBOLDT RVR
Structure number:B 581
Location:CARLIN
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:61.0 ft. [18.6 m]
Total length:205.1 ft. [62.5 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Skew angle:10°
Owner:State Highway Agency [01]
Year built:1954
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:5
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2015 

Status:Open, no restriction [A]
Average daily traffic:475 [as of 2014]
Truck traffic:25% of total traffic
Deck condition:Satisfactory [6 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:52.8 tons [48.0 metric tons]
Inventory rating:32.0 tons [29.1 metric tons]
Sufficiency rating:87.7

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201587.7Not deficientSatisfactorySatisfactorySatisfactory475
August 201386.8Not deficientSatisfactorySatisfactorySatisfactory605
August 201181.4Not deficientSatisfactorySatisfactorySatisfactory605
July 200983.5Not deficientSatisfactorySatisfactorySatisfactory605
July 200783.5Not deficientSatisfactorySatisfactorySatisfactory605
August 200584.0Not deficientSatisfactorySatisfactorySatisfactory550
August 200386.5Not deficientSatisfactoryGoodSatisfactory300
August 200186.6Not deficientSatisfactoryGoodSatisfactory290
November 199989.6Not deficientSatisfactoryGoodSatisfactory250
September 199789.8Not deficientSatisfactoryGoodSatisfactory230
August 199584.9Not deficientSatisfactoryGoodSatisfactory260
August 199383.9Not deficientFairGoodSatisfactory260
August 199181.1Structurally deficientPoorSatisfactoryGood475