SR 4 over WHITE OAK BAYOU

Map

Coordinates:
+34.62681, -90.31347
34°37'37" N, 90°18'48" W

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

Name:	SR 4 over WHITE OAK BAYOU
Structure number:	310000407201210
Location:	4.0 MI E US 61
Purpose:	Carries highway over waterway
Route classification:	Minor Arterial (Rural) `[06]`
Length of largest span:	29.9 ft. `[9.1 m]`
Total length:	149.9 ft. `[45.7 m]`
Roadway width between curbs:	24.0 ft. `[7.3 m]`
Deck width edge-to-edge:	25.9 ft. `[7.9 m]`
Owner:	State Highway Agency `[01]`
Year built:	1955
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 13.5 / HS 15 `[3]`
Number of main spans:	5
Main spans material:	Steel `[3]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Poor
Status:	Posted for load `[P]`
Average daily traffic:	1,400 `[as of 2017]`
Truck traffic:	14% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Poor `[4 out of 9]`
Structural appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Deck geometry appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Water adequacy appraisal:	Equal to present minimum criteria `[6]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
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]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	40.9
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$999,999,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
October 2018	Poor	Good	Fair	Poor	1400	40.9
October 2017	Poor	Good	Fair	Poor	1400	40.9
October 2016	Poor	Good	Fair	Poor	1000	43.2
October 2015	Poor	Good	Fair	Poor	1000	43.2
October 2014	Poor	Good	Fair	Poor	1300	41.4
October 2013	Poor	Good	Fair	Poor	1300	21.7
November 2012	Poor	Good	Fair	Poor	1300	21.7
November 2011	Poor	Good	Fair	Poor	1200	22.7
November 2010	Poor	Good	Fair	Poor	1200	22.7
November 2009	Poor	Good	Fair	Poor	1200	45.0
November 2007	Poor	Good	Poor	Satisfactory	1200	45.0
November 2005	Poor	Good	Poor	Satisfactory	1700	42.3
November 2003	Poor	Good	Poor	Satisfactory	1600	42.9
November 2001	Poor	Good	Poor	Satisfactory	1600	42.9
November 1999	Poor	Good	Poor	Good	1500	43.4
November 1997	Poor	Good	Poor	Good	1500	43.8
November 1996	Poor	Good	Poor	Good	1500	43.8
November 1995	Poor	Good	Serious	Good	1670	11.0
November 1994	Fair	Good	Satisfactory	Good	1670	62.8
November 1992	Fair	Good	Satisfactory	Good	1670	59.8
November 1990	Fair	Good	Satisfactory	Good	1670	59.8

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	600	0	238	362	0
Steel Protective Coating	sq. ft.	3,783	0	0	1,500	2,283
Deck
Reinforced Concrete Deck	sq. ft.	3,875	3,770	95	10	0
Wearing Surfaces	sq. ft.	3,600	3,420	84	0	96
Substructure
Reinforced Concrete Abutment	linear ft.	79	21	58	0	0
Steel Pile	each	26	0	0	22	4
Steel Protective Coating	sq. ft.	608	0	0	0	608
Steel Pier Cap	linear ft.	10	0	0	10	0
Steel Protective Coating	sq. ft.	50	0	0	0	50
Reinforced Concrete Pier Cap	linear ft.	96	74	13	9	0
Joints
Pourable Joint	linear ft.	96	0	0	0	96
Bearings
Fixed Bearing	each	24	0	0	24	0
Steel Protective Coating	sq. ft.	24	0	0	0	24
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	300	258	10	32	0