ST 1 A/SB over RR BMRR

Map

Coordinates:
+42.37262, -71.03352
42°22'21" N, 71°02'01" W

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

Name:	ST 1 A/SB over RR BMRR
Structure number:	B162353A0DOTNBI
Old structure number:	3A0041896435101 `(from 1992 edition)`
Location:	.16 KM N OF CALLAHAN TUN
Purpose:	Carries highway over railroad
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	74.2 ft. `[22.6 m]`
Total length:	693.9 ft. `[211.5 m]`
Roadway width between curbs:	41.3 ft. `[12.6 m]`
Deck width edge-to-edge:	45.6 ft. `[13.9 m]`
Vertical clearance below bridge:	13.1 ft. `[4.0 m]`
Skew angle:	99°
Owner:	State Highway Agency `[01]`
Year built:	1951
Year reconstructed:	2005
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	10
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:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	27,740 `[as of 2017]`
Truck traffic:	3% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 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:	Meets minimum tolerable limits to be left in place as is `[4]`
Underclearances appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	63.8
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$14,902,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
November 2018	Fair	Satisfactory	Satisfactory	Fair	27740	63.8
November 2016	Fair	Satisfactory	Satisfactory	Fair	49100	60.6
November 2014	Fair	Satisfactory	Satisfactory	Fair	49100	60.6
November 2012	Fair	Satisfactory	Satisfactory	Fair	41200	61.8
November 2010	Fair	Satisfactory	Satisfactory	Fair	41200	61.8
November 2008	Fair	Satisfactory	Satisfactory	Fair	41000	61.8
October 1998	Fair	Good	Good	Satisfactory	27000	75.6
October 1996	Fair	Good	Good	Satisfactory	27000	64.4
December 1990	Fair	Good	Good	Satisfactory	20412	77.0

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.	5,838	2,392	3,154	292	0
Steel Protective Coating	sq. ft.	47,288	15,999	20,551	7,645	3,093
Deck
Reinforced Concrete Deck	sq. ft.	28,775	22,371	4,965	1,439	0
Wearing Surfaces	sq. ft.	25,272	18,894	5,099	1,264	15
Substructure
Steel Column	each	22	20	0	2	0
Steel Protective Coating	sq. ft.	1,936	678	968	290	0
Steel Pier Cap	linear ft.	495	150	271	74	0
Steel Protective Coating	sq. ft.	6,535	0	2,614	2,614	1,307
Joints
Compression Joint	linear ft.	451	0	291	155	5
Bearings
Elastomeric Bearing	each	22	0	22	0	0
Movable Bearing	each	99	0	45	54	0
Steel Protective Coating	sq. ft.	178	0	0	151	27
Fixed Bearing	each	99	0	99	0	0
Steel Protective Coating	sq. ft.	208	1	114	83	10
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	1,388	668	705	15	0
Reinforced Concrete Bridge Rail	linear ft.	1,388	0	1,249	139	0