FORREST HILL DR. over THREE MILE BRANCH

Map 

Facts 

Name:	FORREST HILL DR. over THREE MILE BRANCH
Structure number:	004321
Old structure number:	0000001751M0060 (from 1992 edition)
Location:	5.7 MI N OF S CITY LIMITS
Purpose:	Carries highway over waterway
Route classification:	Collector (Urban) [17]
Length of largest span:	9.8 ft. [3.0 m]
Total length:	44.0 ft. [13.4 m]
Roadway width between curbs:	41.0 ft. [12.5 m]
Deck width edge-to-edge:	52.2 ft. [15.9 m]
Owner:	City or Municipal Highway Agency [04]
Year built:	1952
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:	4
Main spans material:	Concrete continuous [2]
Main spans design:	Culvert [19]
Deck type:	Not applicable [N]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,200 [as of 1992]
Truck traffic:	1% 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:	Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	25.0 tons [22.7 metric tons]
Inventory rating:	18.8 tons [17.1 metric tons]
Sufficiency rating:	78.4
Estimated cost of work:	$858,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,200 [as of 1992]
Truck traffic:	1% 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:	Scour calculation/evaluation has not been made. [6]
Operating rating:	25.0 tons [22.7 metric tons]
Inventory rating:	18.9 tons [17.2 metric tons]
Sufficiency rating:	78.5

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,200 [as of 1990]
Truck traffic:	1% 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:	Scour calculation/evaluation has not been made. [6]
Operating rating:	24.8 tons [22.5 metric tons]
Inventory rating:	18.6 tons [16.9 metric tons]
Sufficiency rating:	85.4

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