US 287 over MISSOURI RIVER

Map

Coordinates:
+46.17404, -111.44575
46°10'27" N, 111°26'45" W

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

Name:	US 287 over MISSOURI RIVER
Structure number:	P00008088+02901
Location:	TOSTON
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Other (Rural) `[02]`
Length of largest span:	125.0 ft. `[38.1 m]`
Total length:	690.0 ft. `[210.3 m]`
Roadway width between curbs:	27.9 ft. `[8.5 m]`
Deck width edge-to-edge:	31.8 ft. `[9.7 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 18 / HS 20 `[5]`
Number of main spans:	6
Main spans material:	Steel continuous `[4]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	4,196 `[as of 2016]`
Truck traffic:	9% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
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:	63.0

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2017	Fair	Satisfactory	Satisfactory	Good	4196	63.0
May 2015	Fair	Satisfactory	Satisfactory	Good	3570	63.0
May 2013	Fair	Satisfactory	Good	Good	3570	63.0
May 2011	Fair	Satisfactory	Good	Good	3570	63.0
July 2009	Fair	Satisfactory	Good	Good	4050	82.5
April 2007	Good	Good	Good	Good	4810	81.4
March 2005	Good	Good	Good	Very Good	3720	81.6
September 2002	Good	Good	Good	Very Good	3630	79.6
June 2000	Good	Good	Good	Very Good	3230	79.6
October 1997	Good	Good	Good	Very Good	3240	79.6
August 1995	Good	Good	Good	Very Good	3025	79.7
June 1993	Good	Good	Good	Very Good	2594	87.3
November 1990	Good	Good	Good	Good	2492	88.3

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.	2,598	1,767	831	0	0
Steel Protective Coating	sq. ft.	38,970	6,625	19,875	0	12,470
Reinforced Concrete Girder/Beam	linear ft.	151	151	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	20,666	18,703	1,963	0	0
Reinforced Concrete Top Flange	sq. ft.	1,206	0	1,206	0	0
Substructure
Reinforced Concrete Column	each	9	9	0	0	0
Reinforced Concrete Abutment	linear ft.	72	72	0	0	0
Reinforced Concrete Pier Cap	linear ft.	197	197	0	0	0
Joints
Pourable Joint	linear ft.	112	112	0	0	0
Compression Joint	linear ft.	56	0	56	0	0
Bearings
Movable Bearing	each	24	0	24	0	0
Steel Protective Coating	sq. ft.	24	0	0	16	8
Fixed Bearing	each	8	0	8	0	0
Steel Protective Coating	sq. ft.	8	0	2	2	4
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	1,374	556	688	130	0