single trip permit flowchart - minnesota department of
TRANSCRIPT
Single Trip Overweight Permit Process for Local Bridges
Local Agency issues
overweight permit.
Restriction may apply
based on RF.
START
YES Is local bridge
load posted?
NO
Overweight permit truck is NOT
ALLOWED to cross the bridge. MN
Statute 169.84, Load Limit on Bridge
Local Agency denies
overweight permit
Local Agency hires
consultant to perform
permit load rating analysis
(State Aid Bridge Load
Rating Engineer provides
AASHTOWare BrR files to
consultant, if available,
upon request and in some
circumstances will
perform the load rating
analysis)
Local Agency issues,
denies or restricts
overweight permit
Consultant sends permit
recommendations via-email
to local agency (and cc State
Aid Bridge Load Rating
Engineer with load rating
analysis files).
ABOVE C
NO
Determine Overweight Truck Classification.
Local Agency performs A, B, C Permit Truck
Classification Calculator. (State Aid Bridge Load
Rating Engineer provides assistance as required)
Is the truck A, B, C or Above C?
YES
A, B or C
Has bridge been load rated for A, B, C trucks? Locate the overweight permit
code values on page 1 of the bridge load rating form under Overweight Permit
Codes or on page 1 of the bridge inventory report under Capacity Ratings
located on the lower right hand corner.
Note: If blank, NA or N then the bridge has not been rated for the A, B, C trucks)
Determine the permit code definition of the
overweight permit truck.
Overweight
Permit may
cross the bridge
without any
restriction.
Overweight
permit must
straddle two
lanes when
crossing bridge.
Overweight
permit must drive
at a speed of 10
mph or less when
crossing bridge.
Deny permit.
Overweight
permit vehicle is
NOT ALLOWED
on bridge.
1 X 3 2
FORM RC-CL Revised Aug. 2018
MnDOT BRIDGE RATING AND LOAD POSTING REPORT
FOR COUNTY AND LOCAL AGENCIES
Bridge Location and Description
Hwy. No. Sample Over Under
Bridge No. 12345
State Aid River
Year Built 2019 Year Remodeled Replaces Br.
Type 501 County MnDOT Ref. Pt.
Description Single Span, no skew, 46ft roadway, 9" concrete deck, concrete parapet barrier
Location .1 Mil north of JCT C.R. 14 in Oakdale
Data for Basis of Report (Check all that apply) NBI Condition Ratings
Deck
Superstructure
8
Bridge Inventory File 8
Previous Bridge Rating and Load Posting Report Substructure 8
Bridge Plans Culvert
New Overlay HCAADT 1
Repair/Reconstruction
Other Dead Load Modifications
Bridge Inspected by Date
Damaged Component
Deteriorated Component
Types of Analysis:
Manual AASHTOWare BrR, V.6.8.3 Computer* Other*
*
Method of Rating (Check appropriate box)
Load Factor (LFR) Assigned LFR Design Load HL-93
Allowable Stress (ASR) Assigned LRFR
Load & Resistance Factor (LRFR) Load Testing Design Method LRFD
Field Eval./Doc. Engineering Judgment
Summary of Rating and Load Posting Analysis
Load Posting Required
Bridge Rating Not Required
Sign TONS
R12-1a Inventory Operating
R12-5a HS
RF
HS
RF R12-5 M3 M3S2-40 M3S3
1.0 1.3
R12-X11 45 Overweight Permit Codes
R11-2a BRIDGE CLOSED A 1 B 1 C 1
I hereby certify that this report was prepared by me or under my direct supervision and that I am a duly Licensed Professional Engineer under the laws of the State of Minnesota.
Signature: Date: 01/01/19
(Typed or Printed) Name: John Sample License No. 00000
(Typed or Printed) Employed by ( Agency/ Firm): MnDOT State Aid Bridge
My signature below indicates that I have read and fully agreed with the load rating report.
Program Administrator’s Signature: Date: 01/01/19
SAMPLE
SAMPLE
Page 1 of 6
MINNESOTA STRUCTURE INVENTORY REPORT
Date: 07/29/2019Bridge ID: 12345 LAUREL ST over MISSISSIPPI RIVER
Agency Br. No.
+ GENERAL +
Maint. AreaDistrict METROCounty 00 - STATE AID City OAKDALE
Township
Desc. Loc. 0.4 MI W OF JCT TH 371
Sect., Twp., Range 04 - 133N - 28W
Latitude
Longitude
44d 59m 58.00N92d 57m 49.2W
Custodian
Owner
STATESTATE
Insp Responsibility
Year Built
CITY OF OAKDALE2019
Skew
+ ROADWAY ON BRIDGE +
+ STRUCTURE +
Bridge Match ID
Roadway Key
1
1-ON
Type 2 WAY TRAF
+ INSPECTION +
Deficient Status
Sufficiency Rating
ADEQ
98.3
If Divided NB-EB SB-WB
Roadway Width
Vertical Clearance
Service On
Service Under
C.R.RIVER
Main Span Type
Main Span Detail
PRESTR BM SPAN
Appr. Span Type
Appr. Span Detail
Culvert Type
Barrel Length
Number of Spans
MAIN: 4 APPR: 0 TOTAL: 1Main Span Length
Structure Length
100ft
Deck Width
100.0 ft 46 ft
Deck Material C-I-P CONCRETE
Wear Surf Type MONOLITHIC CONC
Wear Surf Install Year
Wear Course/Fill Depth
Deck Membrane NONE
Deck Rebars EPOXY COATED REBAR
Deck Rebars Install Year 1979
Structure Area
Roadway Area
Sidewalk Width - L/R
Curb Height - L/R
Rail Codes - L/R
00 sq ft
00 sq ft
0.0 ft 00 ft 0.83 ft 0.83 ft
17 17 Vertical
Horizontal
Traffic
Posted Load
+ BRIDGE SIGNS +
NOT REQUIRED
NOT REQUIRED
NOT REQUIRED
NOT APPLICABLE
+ NBI CONDITION RATINGS +
Deck
Superstructure
Substructure
Channel
Culvert
88
85
N
+ NBI APPRAISAL RATINGS +
Structure Evaluation
Deck Geometry
Underclearances
Waterway Adequacy
Approach Alignment
88N
8
8
+ SAFETY FEATURES +
Bridge Railing
GR Transition
Appr. Guardrail
GR Termini
Drainage Area
1-MEETS STANDARDS
0-SUBSTANDARD
0-SUBSTANDARD
N-NOT REQUIRED
+ RDWY DIMENSIONS ON BRIDGE +
46.0 ft
Max. Vert. Clear.
Horizontal Clear. 51.9 ft
Appr. Surface Width
Bridge Roadway Width
46.0 ft
Median Width on Bridge
460 ft
NA
+ MISC. BRIDGE DATA +
Structure Flared
Parallel Structure
Field Conn. ID
Cantilever ID
Overweight Permit Codes
Foundations
Abut.
Pier
Year Painted
Painted Area
Primer Type
Finish Type
NO
NONE
A: 1 B: 1 C: 1
CONC - FTG PILE
CONC - FTG PILE
+ PAINT +
+ WATERWAY +
Waterway Opening
Navigation Control
Pier Protection
Nav. Vert./Horz. Clr.
Nav. Vert. Lift Bridge Clear.
MN Scour Code
Scour Evaluation Year
0000 sq ft
NO PRMT REQD
I-LOW RISK
Design Load
Operating Rating
Inventory Rating
HL 93RF 1.00 (HL-93)
RF 1.3 (HL-93)
+ CAPACITY RATINGS +
+ SPECIAL INSPECTIONS +
Frac. Critical
Underwater
Pinned Asbly.
N
Y
N
Posting
Rating Date 1-01-2019
Last Routine Insp Date 1-1-2019
Routine Insp Frequency 24 Inspector
Name CITY OF OAKDALE
Status A-OPEN
Crew
Historic Status
On - Off System ON
NOT ELIGIBLE
Date Opened to Traffic 01-01-2019
MN Year Remodeled
FHWA Year Reconstructed Bridge Plan Location CENTRAL
Potential ABC N.A.
Road Name STATE AID Functional
Class. URB/MINOR ART
ADT (YEAR) 1 (2019)
HCADT
National Highway System N Route
Sys/Nbr C.R 14
Ref. Point (TIS) 000+00.000
Detour Length 0 mi.
Lanes 2 Lanes ON Bridge Control
Section (TH Only) Function MAINLINE