31ST STREET SOUTH over BIG SLOUGH SOUTH TRIB.

Map 

Facts 

Name:	31ST STREET SOUTH over BIG SLOUGH SOUTH TRIB.
Structure number:	5304008700LBS30
Location:	31ST ST S AT GLENN
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Minor Arterial (Urban) [16]
Length of largest span:	7.9 ft. [2.4 m]
Total length:	26.9 ft. [8.2 m]
Roadway width between curbs:	59.1 ft. [18.0 m]
Deck width edge-to-edge:	80.4 ft. [24.5 m]
Skew angle:	5°
Owner:	City or Municipal Highway Agency [04]
Year built:	1954
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	M 13.5 / H 15 [2]
Number of main spans:	3
Main spans material:	Concrete [1]
Main spans design:	Culvert [19]
Deck type:	Not applicable [N]

2010 Inspection 

Status:	Posted for load [P]
Average daily traffic:	9,800 [as of 2006]
Truck traffic:	2% of total traffic
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Culvert condition:	Moderate to major deterioration or disintegration, extensive cracking and leaching or spalls on concrete or masonry walls and slabs. Minor settlement or misalignment. Noticeable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection in one section, significant corrosion or deep pitting. [5]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	17.7 tons [16.1 metric tons]
Inventory rating:	10.7 tons [9.7 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	46.4
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$225,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	11,253 [as of 1995]
Truck traffic:	2% of total traffic
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Culvert condition:	Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	42.9 tons [39.0 metric tons]
Inventory rating:	25.0 tons [22.7 metric tons]
Sufficiency rating:	84.3

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	8,970 [as of 1980]
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]
Culvert condition:	No noticeable or noteworthy deficiencies which affect the condition of the culvert. Insignificant scrape marks caused by drift. [8]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	33.4 tons [30.4 metric tons]
Inventory rating:	24.8 tons [22.5 metric tons]
Sufficiency rating:	94.7

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