SR1312 over MIDDLE SWAMP

Map

Coordinates:
+36.48969, -76.67813
36°29'23" N, 76°40'41" W

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

Name:	SR1312 over MIDDLE SWAMP
Structure number:	000000000730022
Old structure number:	000000000073022 `(from 1992 edition)`
Location:	1.3 MI.N.JCT.SR1318
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	20.0 ft. `[6.1 m]`
Total length:	60.0 ft. `[18.3 m]`
Roadway width between curbs:	27.9 ft. `[8.5 m]`
Deck width edge-to-edge:	28.2 ft. `[8.6 m]`
Skew angle:	20°
Owner:	State Highway Agency `[01]`
Year built:	1973
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	M 9 / H 10 `[1]`
Number of main spans:	3
Main spans material:	Steel `[3]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Corrugated Steel `[6]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Fair
Status:	Posted for load `[P]`
Average daily traffic:	230 `[as of 2012]`
Truck traffic:	6% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
Water adequacy appraisal:	Better than present minimum criteria `[7]`
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]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge with "unknown" foundation that has not been evaluated for scour. `[U]`
Sufficiency rating:	71.6
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
January 2018	Fair	Satisfactory	Fair	Fair	230	71.6
January 2016	Fair	Satisfactory	Fair	Fair	230	71.5
January 2014	Fair	Satisfactory	Fair	Fair	230	71.5
January 2012	Fair	Good	Fair	Fair	210	71.5
January 2010	Fair	Fair	Fair	Fair	200	70.2
January 2008	Fair	Fair	Fair	Fair	200	71.7
April 2006	Fair	Fair	Fair	Fair	200	74.6
November 2003	Fair	Fair	Fair	Fair	200	74.6
February 2002	Fair	Fair	Fair	Fair	240	77.2
February 2000	Fair	Fair	Fair	Fair	280	77.1
March 1998	Fair	Fair	Fair	Fair	280	80.6
March 1996	Fair	Fair	Fair	Fair	280	80.6
August 1994	Fair	Satisfactory	Fair	Fair	210	79.5
April 1992	Fair	Satisfactory	Fair	Fair	210	75.6
March 1990	Fair	Satisfactory	Satisfactory	Fair	200	78.2