LA0384 over INTRACOASTAL WATERWAY

Map

Coordinates:
+30.08185, -93.28600
30°04'55" N, 93°17'10" W

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

Name:	LA0384 over INTRACOASTAL WATERWAY
Structure number:	071003820402351
Location:	07103820402351
Purpose:	Carries highway over waterway
Route classification:	Major Collector (Rural) `[07]`
Length of largest span:	165.0 ft. `[50.3 m]`
Total length:	634.9 ft. `[193.5 m]`
Roadway width between curbs:	24.0 ft. `[7.3 m]`
Deck width edge-to-edge:	26.9 ft. `[8.2 m]`
Vertical clearance below bridge:	997.4 ft. `[304.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1979
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Main span material:	Steel `[3]`
Main span design:	Movable - Swing `[17]`
Deck type:	Concrete Precast Panels `[2]`

Good/Fair/Poor Condition:	Fair
Average daily traffic:	7,100 `[as of 2016]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Superior to present desirable criteria `[9]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
Underclearances appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Water adequacy appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
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]`
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]`
Sufficiency rating:	652.0

Date	Condition	Culvert Condition	ADT	Suff. Rating
2061	Fair	7 out of 10	7100	652.0
June 2018	Fair	N out of 10	7100	53.0
June 2017	Fair	N out of 10	6500	65.7
June 2015	Fair	N out of 10	6500	65.5
June 2014	Fair	N out of 10	6500	65.5
June 2013	Fair	N out of 10	6400	65.6
June 2012	Fair	N out of 10	6900	65.2
May 2011	Fair	N out of 10	6800	53.1
May 2010	Fair	N out of 10	6800	65.3
May 2009	Good	N out of 10	7100	65.0
May 2008	Good	N out of 10	6800	65.3
May 2007	Good	N out of 10	6200	68.8
May 2006	Good	N out of 10	6200	68.8
May 2005	Good	N out of 10	5700	69.2
May 2003	Good	N out of 10	5800	69.1
May 2002	Good	N out of 10	5600	69.2
May 2001	Good	N out of 10	3619	70.8
May 2000	Good	N out of 10	3619	70.8
May 1999	Good	N out of 10	3619	70.8
May 1998	Fair	N out of 10	3619	70.8
May 1997	Fair	N out of 10	2983	71.4
April 1995	Fair	N out of 10	4528	70.2
April 1994	Fair	N out of 10	4461	70.2
April 1993	Fair	N out of 10	3034	71.4
April 1992	Fair	N out of 10	3034	76.4

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Stringer	linear ft.	640	600	40	0	0
Steel Protective Coating	sq. ft.	1,848	0	1,848	0	0
Steel Floor Beam	linear ft.	74	50	24	0	0
Steel Protective Coating	sq. ft.	142	0	142	0	0
Substructure
Steel Column	each	18	0	0	16	2
Steel Protective Coating	sq. ft.	1,692	0	0	0	1,692
Timber Abutment	linear ft.	87	51	36	0	0
Timber Pile	each	98	0	87	11	0
Reinforced Concrete Pier Cap	linear ft.	696	640	56	0	0
Deck
Corrugated or Orthotropic Deck	sq. ft.	5,255	4,000	1,000	200	55
Steel Protective Coating	sq. ft.	44,505	39,000	3,105	2,200	200
Joints
Pourable Joint	linear ft.	599	325	274	0	0
Open Joint	linear ft.	108	108	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	1,746	1,746	0	0	0
Steel Protective Coating	sq. ft.	4,865	3,800	1,065	0	0
Deck
Reinforced Concrete Slab	sq. ft.	11,381	0	11,341	40	0