NBI Bridge Elements Report

This collection of information is mandatory (Title 23 USC section 144 and the CFR, 23 Highways Part 650, Subpart C National Bridge Inspection Standards and will be used to perform and report inventory data from highway bridges inspections on public roads, on the National Highway System. Public reporting burden is estimated to average 21 hour per response, including the time for reviewing instructions searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Please note that an agency may not conduct or sponsor, and a person is not required to respond to, a collection of information unless it displays a currently valid OMB control number. The OMB control number for this collection is 2125-0501. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to: Michael Howell Information Collection Clearance Officer, [email protected], Federal Highway Administration, 1200 New Jersey, Avenue, E64-433, SE, Washington, DC 20590.

MAP-21 Bridge Elements to be Collected Table

Bridge Elements Table

Element	Units		Element Number
			Steel	Prestressed Concrete	Reinforced Concrete	Timber	Masonry		Other
Deck/Slab
Deck	SF			13	12	31				60
Open Grid Deck	SF		28
Concrete Filled Grid Deck	SF		29
Corrugated or Orthotropic Deck	SF		30
Slab	SF				38	54				65
Top Flange	SF			15	16
Superstructure
Closed Web/Box Girder	LF		102	104	105					106
Girder/Beam	LF		107	109	110	111				112
Stringer	LF		113	115	116	117				118
Truss	LF		120			135				136
Arch	LF		141	143	144	146		145		142
Main Cable	LF		147
Secondary Cable	EA		148							149
Floor Beam	LF		152	154	155	156				157
Pin, Pin and Hanger Assembly	EA		161
Gusset Plate	EA		162
Substructure
Column	EA		202	204	205	206				203
Column Tower (Trestle)	LF		207			208
Pier Wall	LF				210	212		213		211
Abutment	LF		219		215	216		217		218
Pile Cap/Footing	LF				220
Pile	EA		225	226	227	228				229
Pier Cap	LF		231	233	234	235				236
Culvert
Culvert	LF		240	245	241	242		244		243
Bridge Rail
Bridge Rail	LF		330*		331	332		334		333
Joint
Strip Seal	LF	300
Pourable	LF	301
Compression	LF	302
Assembly with Seal (Modular)	LF	303
Open	LF	304
Assembly without Seal	LF	305
Other	LF	306
Bearing
Elastomeric	EA	310
Movable (roller, sliding, etc.)	EA	311
Enclosed/Concealed	EA	312
Fixed	EA	313
Pot	EA	314
Disk	EA	315
Other	EA	316
Wearing Surfaces and Protective Coatings
Wearing Surfaces	SF	510
Steel Protective Coating	SF	515
Concrete Protective Coating	SF	521

*Element 330-Metal Bridge Rail may include steel or aluminum rails.

FHWA – NBI3 (2014)