LA0182 over ATCHAF.R/BERWICK BAY

Map

Coordinates:
+29.69443, -91.21981
29°41'40" N, 91°13'11" W

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	LA0182 over ATCHAF.R/BERWICK BAY
Structure number:	035100050100001
Location:	1.4 MI WEST OF US 90
Purpose:	Carries highway over waterway
Route classification:	Minor Arterial (Urban) `[16]`
Length of largest span:	608.0 ft. `[185.3 m]`
Total length:	3746.2 ft. `[1141.8 m]`
Roadway width between curbs:	24.0 ft. `[7.3 m]`
Deck width edge-to-edge:	24.9 ft. `[7.6 m]`
Vertical clearance above deck:	13.5 ft. `[4.1 m]`
Vertical clearance below bridge:	55.8 ft. `[17.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1933
Historic significance:	Bridge is eligible for the National Register of Historic Places `[2]`
Design load:	M 13.5 / H 15 `[2]`
Number of main spans:	3
Main spans material:	Steel `[3]`
Main spans design:	Truss - Thru `[10]`
Deck type:	Concrete Cast-in-Place `[1]`

Good/Fair/Poor Condition:	Poor
Status:	Posted for load `[P]`
Average daily traffic:	5,500 `[as of 2015]`
Truck traffic:	10% of total traffic
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Serious `[3 out of 9]`
Structural appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Deck geometry appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Water adequacy appraisal:	Equal to present minimum criteria `[6]`
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]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Countermeasures have been installed to mitigate an existing problem with scour. `[7]`
Sufficiency rating:	4.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$14,608,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
April 2017	Poor	Fair	Fair	Serious	5500	4.0
March 2014	Poor	Fair	Fair	Serious	5600	4.0
February 2012	Poor	Fair	Fair	Serious	5900	6.0
October 2010	Poor	Fair	Fair	Serious	6800	6.0
August 2009	Poor	Fair	Fair	Serious	6800	6.0
September 2008	Poor	Fair	Fair	Serious	6800	6.0
August 2007	Poor	Fair	Fair	Serious	7300	6.0
September 2006	Poor	Fair	Fair	Serious	7300	6.0
June 2005	Poor	Fair	Fair	Serious	7300	6.0
March 2004	Poor	Fair	Fair	Serious	6200	6.0
March 2003	Poor	Fair	Fair	Serious	7000	6.0
February 2002	Poor	Fair	Fair	Serious	6167	6.0
March 2001	Poor	Fair	Fair	Serious	6167	4.0
January 2000	Poor	Fair	Fair	Serious	7909	4.0
March 1999	Poor	Fair	Fair	Serious	7909	4.0
January 1998	Poor	Fair	Fair	Serious	7909	4.0
March 1997	Poor	Fair	Fair	Serious	8628	4.0
January 1996	Poor	Fair	Fair	Serious	10284	4.0
March 1994	Poor	Fair	Fair	Serious	8420	4.0
January 1993	Poor	Fair	Fair	Serious	9781	4.0
November 1991	Poor	Fair	Fair	Serious	9781	4.0

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Reinforced Concrete Girder/Beam	linear ft.	8,000	7,982	12	6	0
Steel Stringer	linear ft.	10,365	0	8,096	2,266	3
Steel Protective Coating	sq. ft.	80,290	2,204	31,112	44,724	2,250
Deck
Reinforced Concrete Deck	sq. ft.	94,657	20,030	68,745	5,882	0
Superstructure
Steel Truss	linear ft.	4,146	0	1,633	2,437	76
Steel Protective Coating	sq. ft.	326,684	2,750	214,470	78,925	30,539
Steel Floor Beam	linear ft.	2,233	27	1,953	234	19
Steel Protective Coating	sq. ft.	30,716	0	28,005	2,379	332
Steel Gusset Plate	each	344	0	198	94	52
Steel Protective Coating	sq. ft.	25,787	0	19,085	6,455	247
Substructure
Reinforced Concrete Column	each	117	96	4	17	0
Reinforced Concrete Abutment	linear ft.	458	426	30	2	0
Reinforced Concrete Pile Cap/Footing	linear ft.	140	35	67	38	0
Reinforced Concrete Pier Cap	linear ft.	1,231	1,044	47	140	0
Joints
Pourable Joint	linear ft.	1,226	0	0	1,176	50
Open Joint	linear ft.	1,106	0	0	600	506
Assembly without Seal Joint	linear ft.	144	30	9	61	44
Bearings
Movable Bearing	each	210	0	202	6	2
Steel Protective Coating	sq. ft.	124	8	62	48	6
Fixed Bearing	each	210	163	6	38	3
Steel Protective Coating	sq. ft.	124	4	66	48	6
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	3,642	0	3,069	564	9
Steel Protective Coating	sq. ft.	21,671	0	10,836	10,835	0
Reinforced Concrete Bridge Rail	linear ft.	3,781	3,590	39	73	79
Deck
Reinforced Concrete Slab	sq. ft.	1,126	479	557	90	0
Wearing Surfaces	sq. ft.	498	473	0	25	0