Logan County, CO

182 public highway bridges

Logan County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Logan County, Colorado contains 182 public highway bridges. Roughly 29.7% are rated “Good,” 52.7% “Fair,” and 8.8% “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.

182
Total Bridges
29.7%
Good
52.7%
Fair
8.8%
Poor Condition

Condition Distribution

Good
29.7% (54)
Fair
52.7% (96)
Poor
8.8% (16)

All Bridges (182)

I 76 ML WBND

Unknown

Over: SH 55 ML

CROOK INTERCHANGE, Logan, CO

Built 1966 ADT: 270

I 76 ML EBND

Unknown

Over: SH 55 ML

CROOK INTERCHANGE, Logan, CO

Built 1966 ADT: 720

I 76 ML WBND

Unknown

Over: SONNENBERG CROSSING

7.9 MI SW OF JCT SH 59, Logan, CO

Built 1968 ADT: 110

I 76 ML EBND

Unknown

Over: SONNENBERG CROSSING

8.1 MI NE OF JCT SH 55, Logan, CO

Built 1968 ADT: 110

I76 ML EBND

Unknown

Over: SH 63 ML

ATWOOD EXIT HWY 63, Logan, CO

Built 2003 ADT: 650

I 76 ML WBND

Unknown

Over: SH 63 ML

ATWOOD EXIT (HWY 63), Logan, CO

Built 2003 ADT: 1,600

I 76 ML EBND

Unknown

Over: COUNTY ROAD 14

8 MI SW OF STERLING, Logan, CO

Built 2003 ADT: 4,150

I 76 ML WBND

Unknown

Over: COUNTY ROAD 14

7.7 MI SW OF STERLING EXI, Logan, CO

Built 2002

I 76 ML WBND

Unknown

Over: US 6 ML

STERLING EXIT, Logan, CO

Built 1994 ADT: 11,000

I 76 ML EBND

Unknown

Over: US 6 ML

STERLING EXIT, Logan, CO

Built 1994 ADT: 11,000

I 76 ML EBND

Unknown

Over: FARM ROAD

3.3 MI NE OF SH 63, Logan, CO

Built 2003 ADT: 100

I 76 ML WBND

Unknown

Over: FARM ROAD

6.25 MI SE OF STERLING, Logan, CO

Built 2003 ADT: 100

I76 ML EBND

Unknown

Over: FARM ROAD

4.5 MI SW OF STERLING EXT, Logan, CO

Built 2003

I 76 ML WBND

Unknown

Over: FARM ROAD

4.5 MI SW OF STERLING EXT, Logan, CO

Built 2003 ADT: 100

I 76 ML EBND

Unknown

Over: FARM ROAD

2.5 MI SW OF STERLING EXT, Logan, CO

Built 2003 ADT: 100

I 76 ML WBND

Unknown

Over: FARM ROAD

2.5 MI SW OF STERLING EXT, Logan, CO

Built 2003 ADT: 4,150

County Road 63

Fair

Over: Wildhorse Draw

0.2 Mi S of Co Rd 72, Logan, CO

Built 1992 Load: 10.6 t ADT: 28

County Road 91

Fair

Over: Frenchman Creek

0.2 Mi N of Co Rd 91, Logan, CO

Built 1940 Load: 14.9 t ADT: 23

SH 113 ML

Fair

Over: POINT-O-ROCKS CANAL

7.4 MI NORTH OF JCT SH 13, Logan, CO

Built 1937 Load: 16.2 t ADT: 1,100

County Road 31

Fair

Over: Pawnee Creek

0.1 Mi. N. of Co Rd 18.2, Logan, CO

Built 1950 Load: 16.7 t ADT: 41

SH 14 ML

Fair

Over: NORTH STERLING CANAL

15.6 MI E OF JCT SH 71 SO, Logan, CO

Built 1947 Load: 16.9 t ADT: 3,500

County Road 52

Fair

Over: Harmony No. 2 Canal

0.4 Mi E of Co Rd 65.7, Logan, CO

Built 1920 Load: 16.9 t ADT: 2

US 6 ML

Fair

Over: UP RR

12 MI SW OF STERLING, Logan, CO

Built 1999 Load: 17.0 t ADT: 1,000

County Road 33

Fair

Over: N. Sterling Inlet Canal

0.3 Mi N of Co Rd 32, Logan, CO

Built 1940 Load: 17.3 t ADT: 61

County Road 46

Fair

Over: Unnamed Drainage Ditch

0.3 Mi E of Co Rd 53, Logan, CO

Built 1998 Load: 17.8 t ADT: 91

County Road 56

Fair

Over: N. Sterling Outlet Canal

0.9 Mi W of St Hwy 113, Logan, CO

Built 1940 Load: 19.1 t ADT: 3

SH 113 ML

Fair

Over: DRAW

12.5 MI N OF JCT SH 138, Logan, CO

Built 1937 Load: 19.2 t ADT: 1,100

County Road 25

Fair

Over: Pawnee Ditch

0.7 Mi N of US Hwy 6, Logan, CO

Built 1950 Load: 19.4 t ADT: 777

US 6 ML

Fair

Over: SOUTH PLATTE RIVER

1 MI EAST OF JCT SH 14, Logan, CO

Built 1957 Load: 21.5 t ADT: 9,900

County Road 67

Fair

Over: South Platte River

1.7 Mi N of I-76, Logan, CO

Built 1983 Load: 21.8 t ADT: 322

County Road 29.5

Fair

Over: S. Platte River Overflow

0.7 Mi. N. of Co. Rd. 12, Logan, CO

Built 1986 Load: 22.0 t ADT: 76

US 6 ML

Fair

Over: PAWNEE CANAL

18.2 MI NO OF JCT I-76, Logan, CO

Built 1966 Load: 22.3 t ADT: 1,000

US 6 ML

Fair

Over: SOUTH PLATTE RIVER

12.7 MI SW OF STERLING, Logan, CO

Built 1966 Load: 22.5 t ADT: 1,000

County Road 29

Fair

Over: Pawnee Creek

1.3 Mi. N. of Co Rd 16.5, Logan, CO

Built 1969 Load: 22.8 t ADT: 58

US 138 ML

Fair

Over: LOW LINE DITCH

1.8 MI NE OF JCT US 6 STE, Logan, CO

Built 1955 Load: 24.7 t ADT: 3,600

County Road 32

Fair

Over: N. Sterling Inlet Canal

0.8 Mi. E. of Co. Rd. 31, Logan, CO

Built 1999 Load: 24.9 t ADT: 93

County Road 12

Fair

Over: Schneider Ditch

50 Ft. W. of Co. Rd. 31, Logan, CO

Built 1956 Load: 25.2 t ADT: 43

County Road 41

Fair

Over: Sterling No 1 Ditch

0.6 Mi N of Co Rd 32, Logan, CO

Built 1950 Load: 25.5 t ADT: 505

County Road 67.9

Fair

Over: N. Sterling Outlet Canal

0.4 Mi N of Co Rd 66, Logan, CO

Built 1940 Load: 25.9 t

County Road 33

Fair

Over: N. Sterling Inlet Canal

0.9 MI N OF CO RD44, Logan, CO

Built 1995 Load: 26.2 t ADT: 119

SH 63 ML

Fair

Over: SOUTH PLATTE RIVER

2.7MI N OF JCT I76, Logan, CO

Built 1982 Load: 26.5 t ADT: 2,000

SH 113 ML

Fair

Over: CANAL

1.3 MI N. OF JCT US 138, Logan, CO

Built 1937 Load: 27.4 t ADT: 1,200

County Road 38

Fair

Over: N. Sterling Inlet Canal

50 Ft. W. of Co. Rd. 39, Logan, CO

Built 1991 Load: 28.2 t ADT: 135

County Road 6

Fair

Over: N. Sterling Inlet Canal

0.4 M. E. of Co. Rd. 17.7, Logan, CO

Built 1989 Load: 29.7 t ADT: 134

County Road 22

Fair

Over: Pawnee Ditch

0.9 Mi. E. of Co. Rd. 31, Logan, CO

Built 1995 Load: 29.8 t ADT: 289

I 76 ML WBND

Fair

Over: TWENTY TWO SLOUGH

14 MI SW OF STERLING EXIT, Logan, CO

Built 1964 Load: 29.9 t ADT: 5,500

US 6 ML

Fair

Over: SOUTH PLATTE R OVFLW

1.1 MI EAST OF JCT SH 14, Logan, CO

Built 1957 Load: 30.8 t ADT: 9,900

US 138 ML

Fair

Over: POWELL DITCH

7.7 MI NE OF JCT SH 113, Logan, CO

Built 1930 Load: 31.3 t ADT: 690

County Road 35

Fair

Over: N. Sterling Inlet Canal

50 Ft. North of CO Rd 36, Logan, CO

Built 1999 Load: 32.1 t ADT: 79

FARMERS ROAD AR

Fair

Over: DRAINAGE DITCH AR

FARMERS RD-46' Rt OF, Logan, CO

Built 1970 Load: 32.7 t ADT: 12

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.