Lyon County, KS

493 public highway bridges

Lyon County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Lyon County, Kansas contains 493 public highway bridges. Roughly 59.6% are rated “Good,” 31.2% “Fair,” and 1% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

493
Total Bridges
59.6%
Good
31.2%
Fair
1%
Poor Condition

Condition Distribution

Good
59.6% (294)
Fair
31.2% (154)
Poor
1% (5)

All Bridges (493)

RD 330 939.4-488.0

Fair

Over: STREAM

1.0S 2.5W OF ALLEN, Lyon, KS

Built 1940 Load: 10.7 t ADT: 10

RD 110 943.9-532

Fair

Over: STREAM

2.2N OF OLPE, Lyon, KS

Built 1933 Load: 10.7 t ADT: 20

Rd T 958-538

Fair

Over: EAGLE CREEK

5.7E 1.1N OF OLPE, Lyon, KS

Built 1976 Load: 11.1 t ADT: 44

RD 150 933.5-524.0

Fair

Over: STREAM

2.5S 3.0E OF PLYMOUTH, Lyon, KS

Built 1984 Load: 11.3 t ADT: 30

RD. H 939.0-548.8

Fair

Over: ROCK CREEK

3.2W 4.8S OF OLPE, Lyon, KS

Built 1953 Load: 11.9 t ADT: 80

RD. P 951.0-482.8

Fair

Over: 142 MILE CREEK

2.0N 0.5W OF ADMIRE, Lyon, KS

Built 1940 Load: 12.0 t ADT: 20

RD. H 939.0-524.8

Fair

Over: FLOWER CREEK

2.0S OF EMPORIA, Lyon, KS

Built 1926 Load: 12.3 t ADT: 50

RD 270 937.9-500.0

Fair

Over: ALLEN CREEK

3.0N 2.0E OF AMERICUS, Lyon, KS

Built 1968 Load: 12.4 t ADT: 80

RD 145 933.5-524.5

Fair

Over: PHENIS CREEK

3.0E 3.0S OF PLYMOUTH, Lyon, KS

Built 1940 Load: 12.9 t ADT: 20

LOCAL RD H (H-330)

Fair

Over: STREAM

1.0S 3.0W OF ALLEN, Lyon, KS

Built 1968 Load: 12.9 t ADT: 50

RS 1122 Y.5-60.0

Fair

Over: FOUR MILE CREEK

4.0S 0.5W OF HARTFORD, Lyon, KS

Built 1950 Load: 13.2 t ADT: 66

RD. M (M.0-375)

Fair

Over: STREAM

3.0N 1.0E OF ALLEN, Lyon, KS

Built 1957 Load: 13.3 t ADT: 50

RD 380 (M.0-380)

Fair

Over: 142 MILE CREEK

1.2E 4.0N OF ALLEN, Lyon, KS

Built 1957 Load: 13.3 t ADT: 80

RS 412 F.0-15.1

Fair

Over: PESTER CREEK

0.5N OF AMERICUS, Lyon, KS

Built 1938 Load: 13.6 t ADT: 2,599

BURLINGAME RD

Fair

Over: STREAM

2.1N 1.5E OF EMPORIA, Lyon, KS

Built 1957 Load: 13.6 t ADT: 1,255

RD 290 939.4-496.0

Fair

Over: STREAM

5.0S 2.5W OF ALLEN, Lyon, KS

Built 1923 Load: 13.6 t ADT: 46

RS 1118 T-130.5

Fair

Over: STREAM

3.0N 5.5W OF HARTFORD, Lyon, KS

Built 1926 Load: 13.6 t ADT: 45

RS 1121 30.0-Y.3

Fair

Over: STREAM

7.0S 0.7W OF HARTFORD, Lyon, KS

Built 1936 Load: 13.6 t ADT: 125

LOCAL RD. H.7-23.5

Fair

Over: STREAM

AT EMPORIA, Lyon, KS

Built 1930 Load: 13.6 t ADT: 50

RD. A (A.0-1.1)

Fair

Over: STREAM

5.0N 5.0W OF BUSHONG, Lyon, KS

Built 1938 Load: 13.6 t ADT: 20

RD 190 (E.7-21.0)

Fair

Over: STREAM

5.0S OF AMERICUS, Lyon, KS

Built 1957 Load: 13.6 t ADT: 50

RD. J 941.0-532.6

Fair

Over: COAL CREEK

2.3W 3.4N OF OLPE, Lyon, KS

Built 1927 Load: 13.6 t ADT: 20

RD T (T.0-285)

Fair

Over: DUCK CREEK

5.5W 3.5N OF READING, Lyon, KS

Built 1950 Load: 13.6 t ADT: 30

RD. U 959.0-538.5

Fair

Over: EAGLE CREEK

4.5W 3.0S OF HARTFORD, Lyon, KS

Built 1930 Load: 13.6 t ADT: 20

RS 1505 E.4-35.0

Fair

Over: ROCK CREEK

2.0S 6.0W OF OLPE, Lyon, KS

Built 1958 Load: 14.0 t ADT: 50

RD. U 959.0-542.3

Fair

Over: STREAM

5.0W 4.8S OF HARTFORD, Lyon, KS

Built 1940 Load: 14.3 t ADT: 50

RD M (947-512.5)

Fair

Over: TAYLOR CREEK

3.5S 6.0E OF AMERICUS, Lyon, KS

Built 1926 Load: 14.7 t ADT: 30

RD. R 953-536.9

Fair

Over: STREAM

1.0N 3.7E OF OLPE, Lyon, KS

Built 1959 Load: 14.7 t ADT: 60

LOCAL RD. H

Fair

Over: STREAM

2.0S 3.0W OF ALLEN, Lyon, KS

Built 1940 Load: 14.9 t ADT: 10

RD 320 929.8-490.0

Fair

Over: STREAM

1.5S 2.0W OF BUSHONG, Lyon, KS

Built 1940 Load: 15.0 t ADT: 10

M AVE./RD. 390

Fair

Over: STREAM

5.5N 5.0W OF BUSHONG, Lyon, KS

Built 1940 Load: 15.6 t ADT: 50

RD. C 929.0-548.4

Fair

Over: CAMP CREEK

8.2W 4.4S OF OLPE, Lyon, KS

Built 1958 Load: 15.6 t ADT: 80

LCL RD. Y.6-245

Fair

Over: MUD CREEK

S. EDGE OF READING, Lyon, KS

Built 1970 Load: 15.9 t ADT: 20

RS 416 X.0-265.0

Fair

Over: DUCK CREEK

1.5W 1.5N OF READING, Lyon, KS

Built 1970 Load: 16.2 t ADT: 51

RS 1078 23.6-A.0

Fair

Over: COTTONWOOD RIVER

1.0S 1.5W OF PLYMOUTH, Lyon, KS

Built 1961 Load: 16.3 t ADT: 110

I-35HWY

Fair

Over: LINCOLN ST

1.78 MI E GRAPHIC ARTS RD, Lyon, KS

Built 1965 Load: 16.3 t ADT: 10,700

LOCAL RD Y.5-280

Fair

Over: MARAIS DES CYGNES RIVER

3.0N OF READING, Lyon, KS

Built 1940 Load: 16.9 t ADT: 10

RS 416 T.7-7.6

Fair

Over: ELM CREEK

0.5S OF MILLER, Lyon, KS

Built 1970 Load: 17.0 t ADT: 152

LOCAL RD W - 265.0

Fair

Over: DUCK CREEK

2.5W 1.6N OF READING, Lyon, KS

Built 1987 Load: 17.1 t ADT: 20

RD 370 (U-370)

Fair

Over: ONION CREEK

4.0N 3.4E OF ADMIRE, Lyon, KS

Built 1954 Load: 17.6 t ADT: 70

RD 370 (S-370)

Fair

Over: ELM CREEK

4.0N 1.0E OF ADMIRE, Lyon, KS

Built 1959 Load: 17.7 t ADT: 60

RD 170 963.7-520.0

Fair

Over: DRY CREEK

2.0N OF NEOSHO RAPIDS, Lyon, KS

Built 1923 Load: 18.0 t ADT: 50

I-335 HWY (KTA) SB

Fair

Over: ABAN. RR, ROCK RD. BIKE

4.91 MI NE N JCT K-99, Lyon, KS

Built 1956 Load: 18.1 t ADT: 5,450

RD 120 951.5-530

Fair

Over: COAL CREEK

3.0E 4.5N OF OLPE, Lyon, KS

Built 1974 Load: 18.3 t ADT: 80

RS 1078 26.0-E.6

Fair

Over: PHEANIS CREEK

3.5S 3.5E OF PLYMOUTH, Lyon, KS

Built 1955 Load: 18.6 t ADT: 84

RD. 110 943.2-532

Fair

Over: STREAM

4.0N 0.8W OF OLPE, Lyon, KS

Built 1954 Load: 18.9 t ADT: 50

RD 290 (11.0-G.8)

Fair

Over: ALLEN CREEK

1.0S 3.0W OF ALLEN, Lyon, KS

Built 1948 Load: 19.3 t ADT: 46

RD. D 931.0-518.9

Fair

Over: LINCK CREEK

6.9S 2.0W OF AMERICUS, Lyon, KS

Built 1925 Load: 19.6 t ADT: 80

RD. 370 957.9-480

Fair

Over: CHICKEN CREEK

4.0N 3.0E OF ADMIRE, Lyon, KS

Built 1959 Load: 19.9 t ADT: 65

RD 330 (N.1-7.0)

Fair

Over: HILL CREEK

0.5W OF ADMIRE, Lyon, KS

Built 1930 Load: 19.9 t ADT: 20

Read our methodology - how this data is sourced, computed, and verified.

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Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.