Form FRA F 6180.129 FRA F 6180.129 Railroad Bridge Management Selection Factors

U.S. Department of Transportation
Federal Railroad Administration

OMB No. 2130-XXXX

RAILROAD BRIDGE MANAGEMENT SELECTION FACTORS
Railroad Operating Co. (code (max 4 char.) or name)

Contact Name

Address

Telephone #

Factor

Date

E-Mail Address

Multiplier

Count

Value

1 Bridges owned by railroad
1.1 Known to be zero - STOP - No Need to Continue

BC

1.2 Known count (total # of bridges)

BC

1

1.3 Unknown, use route miles

RM

1

2.1 Steel and Iron 1916 and earlier (# of bridges)

SO

2

2.2 Steel and Iron after 1916 (# of bridges)

SN

1

2.3 Feet of Steel and Iron

FS

0.025

2.4 Steel and Iron Spans > 60 ft (# of spans)

LS

1.5

2.5 Timber Trestles (# of spans)

TS

0.25

2.6 Types unknown (Count = Route Miles x 3)

UT

1

2 Bridge types

Bridge Population Factor - Sum of all values above = BPF

BPF =

3 Bridge Management Multipliers
3.1 Accurate inventory of bridges (see Note 1)
3.1.1 - Yes

IV

1

3.1.2 - No

IV

50

RI

1

3.2.2 - Annual only

RI

1.5

3.2.3 - Irregular frequency

RI

5

3.2.4 - None

RI

100

3.2 Regular Inspections (see Note 1)
3.2.1 - Annual and per condition

3.3 Inspection Supervision (see Note 1)
3.3.1 - By competent engineer

IS

1

3.3.2 - By non-engineer manager

IS

10

3.3.3 - No supervision

IS

50

BR

1

3.4 Bridge Ratings (see Note 1)
3.4.1 - Accurate ratings on record
3.4.2 - Some ratings obsolete

BR

2

3.4.2 - None or insufficient ratings

BR

10

Note 1 - Place an "x" in the appropriate cell in the COUNT column

Bridge Management Factor BMF = IV x RI x IS x EX x BR

FORM FRA F 6180.129

OMB approval expires mm/dd/yyyy

BMF =

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U.S. Department of Transportation
Federal Railroad Administration

OMB No. 2130-XXXX

RAILROAD BRIDGE MANAGEMENT SELECTION FACTORS
Railroad Operating Co. (code (max 4 char.) or name)

Contact Name

Factor

Date

Multiplier

Count

Value

4 Railroad Operating Factors
4.1 Movement of Exceptional Loads (see Note 1)
4.1.1 - Effectively controlled

EX

1

4.1.2 - Not effectively controlled

EX

25

4.2.1 - 263,000 lbs

ML

1

4.2.2 - 286,000 lbs

ML

5

4.2.3 - 315,000 lbs

ML

15

4.2.4 - Not Limited

ML

25

4.3.1 - < 1 MGT

TD

1

4.3.2 - 1 to < 5 MGT

TD

5

4.2 Maximum Loads (see Note 1)

4.3 Traffic Density (see Note 1 - Doesn't apply to 4.3.5)

4.3.3 - 5 to < 15 MGT

TD

10

4.3.4 - > 15 MGT

TD

15

4.3.5 - Not known, use annual car count / 10,000. (10,000 cars
approximates 1 MGT conservatively, considering empty movements).

TD

1

4.4.1 - 10 mph

TS

1

4.4.2 - 25 mph

TS

2

4.4.3 - > 25 mph

TS

3

PX

1

4.4 Highest Train Speed Limit (see Note 1)

4.5 Passenger Operation (see Note 1)
4.5.1 - Passenger Trains < 2 per year
4.5.2 - Passenger Trains 2 to 104 / yr

PX

20

4.5.3 - Passenger Trains > 104/yr

PX

100

4.6.1 - Hazmat prohibited

HZ

1

4.6.2 - < 5 cars Hazmat per day

HZ

5

4.6 Hazmat (see Note 1)

4.6.3 - 5 or more cars Hazmat / day

HZ

20

4.6.4 - 5 or more TIH per year, add

HZ

25

4.7.1 - Bridge-related accident in past 10 years
(Count = # Accidents X 1000/years since last event)

BA

1

4.7.2 - Track-caused accidents past 10 years

TA

5

4.7.3 - All reportable train accidents in past 10 years including track

AC

5

4.7 Train Accident Record

Note 1 - Place an "x" in the appropriate cell in the COUNT column

Railroad Operating Factor
ROF = EX x ML x TD x TS x PX x HZ + (BA+TA+AC)

Overall Selection Score BPF x BMF x ROF / 100,000

ROF =

Score

Pubic reporting burden for this information collection is estimated to average 180 minutes per response. This estimate includes the time for reviewing instructions,
searching existing data sources, compiling requested data, and filling-out this form. According to the paperwork Reduction Act of 1995, no persons are required to
respond to a collection of information unless it displays a valid OMB control number. The valid OMB control number for this collection of information is 2130-XXXX.
All responses to this collection of information are voluntary. Send comments regarding this burden estimate or any other aspects of this collection, including
suggestions for reducing this burden to: Information Collection Officer, Federal Railroad Administration, 1200 New Jersey Avenue - SE, Washington, DC 20590

FORM FRA F 6180.129

OMB approval expires mm/dd/yyyy

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