La Plata County, CO

102 public highway bridges

La Plata County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, La Plata County, Colorado contains 102 public highway bridges. Roughly 52.9% are rated “Good,” 42.2% “Fair,” and 2% “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.

102
Total Bridges
52.9%
Good
42.2%
Fair
2%
Poor Condition

Condition Distribution

Good
52.9% (54)
Fair
42.2% (43)
Poor
2% (2)

All Bridges (102)

US 160 ML WB RMP

Good

Over: WILSON GULCH & Ped Path

EAST of INT US 550/160, La Plata, CO

Built 2010 Load: 27.5 t ADT: 604

BAYFIELD PARKWAY

Good

Over: LOS PINOS RIVER

0.15 W Mill Street, La Plata, CO

Built 2017 Load: 28.2 t ADT: 3,060

US 550 NBND ML

Good

Over: DRAINAGE WAY

1.2 MI FROM NM BORDER, La Plata, CO

Built 2010 Load: 28.4 t ADT: 4,050

9TH STREET

Good

Over: ANIMAS RIVER

250' W OF SH 550, La Plata, CO

Built 1979 Load: 30.2 t ADT: 4,312

IRR# COUNTY RD 213

Good

Over: LA POSTA CANYON

5.9 MI NW OF SH 550, La Plata, CO

Built 1997 Load: 30.7 t ADT: 1,225

2ND AVENUE

Good

Over: JUNCTION CREEK

JUST N OF 24TH STREET, La Plata, CO

Built 1989 Load: 31.2 t ADT: 1,232

IRR# COUNTY RD 510

Good

Over: FLORIDA RIVER

.15 MI W OF CR 225A, La Plata, CO

Built 1994 Load: 32.4 t ADT: 572

US 550 ML

Good

Over: GULCH A

0.4 MI S OF US160, La Plata, CO

Built 2023 Load: 32.4 t ADT: 7,800

IRR BIA RTE 159

Good

Over: PINE RIVER CANAL

3 KM S,10 KM E OF IGNACIO, La Plata, CO

Built 1998 Load: 32.6 t ADT: 10

COUNTY ROAD 141

Good

Over: WILDCAT CANYON

JUST S OF SH160, La Plata, CO

Built 2006 Load: 32.7 t ADT: 3,182

COUNTY ROAD 207

Good

Over: LIGHTNER CREEK

.2 MI N OF SH 160, La Plata, CO

Built 2013 Load: 32.7 t ADT: 1,000

COUNTY ROAD 225A

Good

Over: LONG HOLLOW CREEK

.3 MI S OF SH 160, La Plata, CO

Built 2011 Load: 32.7 t ADT: 1,689

COUNTY ROAD 501

Good

Over: BEAR CREEK

5.3 MI N OF BAYFIELD/MP 5, La Plata, CO

Built 2009 Load: 32.7 t ADT: 3,533

COUNTY ROAD 527

Good

Over: BEAVER CREEK

2.1 MI NE OF BAYFIELD, La Plata, CO

Built 2010 Load: 32.7 t ADT: 300

COUNTY RD 509

Good

Over: KING DITCH

AT BAYFIELD, La Plata, CO

Built 1994 Load: 32.7 t ADT: 50

THREE SPRINGS BLVD

Good

Over: TRAVERSE WASH

0.6 MI N of US160, La Plata, CO

Built 2004 Load: 32.7 t ADT: 12,427

CONFLUENCE AVE

Good

Over: TRAVERSE WASH

0.8 MI N of US160, La Plata, CO

Built 2004 Load: 32.7 t ADT: 2,588

US 550 ML

Good

Over: GULCH B

0.3 MI S OF US160, La Plata, CO

Built 2023 Load: 32.7 t ADT: 7,800

US 550 ML

Good

Over: WILSON GULCH/PED PATH

US160/550 Interchange, La Plata, CO

Built 2010 Load: 32.7 t ADT: 3,207

IRR# COUNTY RD 214

Good

Over: ANIMAS RIVER

.1 MI S OF CR 213, La Plata, CO

Built 1987 Load: 33.7 t ADT: 647

COUNTY ROAD 501

Good

Over: VALLECITO CRK DIVERSION

0.3 MI E OF N VALLECITO, La Plata, CO

Built 1995 Load: 33.8 t ADT: 749

IRR# COUNTY RD 522

Good

Over: ALLISON DITCH

1 MI W OF CR 523, La Plata, CO

Built 1993 Load: 33.8 t ADT: 127

COUNTY ROAD 250

Good

Over: ANIMAS RIVER

.2 MI E OF SH 550, La Plata, CO

Built 1989 Load: 34.1 t ADT: 457

COUNTY ROAD 203

Good

Over: HERMOSA CREEK

.1 MI W of SH 550, La Plata, CO

Built 1989 Load: 34.8 t ADT: 454

COUNTY RD 509

Good

Over: DRY CREEK

1.6 MI SW OF BAYFIELD, La Plata, CO

Built 1990 Load: 35.8 t ADT: 1,028

32ND STREET

Good

Over: ANIMAS RIVER

.2 MI E OF SH 550, La Plata, CO

Built 1974 Load: 35.8 t ADT: 10,111

IRR# COUNTY RD 119

Good

Over: LA PLATA RIVER & CANAL

1.6 MI W OF SH 140, La Plata, CO

Built 1990 Load: 37.2 t ADT: 202

COUNTY RD 309A

Good

Over: SALT CREEK

JUST S OF CR 307, La Plata, CO

Built 1995 Load: 37.7 t ADT: 405

County Road D

Good

Over: Towaoc Canal

6.4 mi SW of Cortez, La Plata, CO

Built 1990 Load: 37.9 t

BAYFIELD PARKWAY

Good

Over: LOS PINOS RIVER OVERFLOW

0.5 W Mill Street, La Plata, CO

Built 2017 Load: 37.9 t ADT: 3,060

IRR# COUNTY RD 516

Good

Over: DRY CREEK

5.3 MI S OF SH 160, La Plata, CO

Built 1993 Load: 38.7 t ADT: 455

NORTH STREET

Good

Over: LOS PINOS RIVER DIVERSIO

IN BAYFIELD, La Plata, CO

Built 1997 Load: 38.7 t ADT: 164

COUNTY ROAD 240

Good

Over: RED CREEK

JUST N OF MI MARKER 10, La Plata, CO

Built 2001 Load: 39.0 t ADT: 2,952

COUNTY ROAD 213

Good

Over: ANIMAS RIVER

.5 MI S OF SH 160, La Plata, CO

Built 2004 Load: 40.1 t ADT: 3,800

US 550 SBnd ML

Good

Over: DRAW

1.3 MI N of NM Border, La Plata, CO

Built 1999 Load: 40.2 t ADT: 4,050

COUNTY ROAD 248

Good

Over: FLORIDA RIVER

.5 MI SW OF CR 240, La Plata, CO

Built 1992 Load: 40.3 t ADT: 50

PRIVATE LAND ACESS

Good

Over: LIGHTNER CREEK AR

W. EDGE OF DURANGO, La Plata, CO

Built 1970 Load: 40.6 t ADT: 12,000

US 160 WB ML

Good

Over: WILDLIFE CROSSING/DRAIN

23.8 MI E OF JCT US 550, La Plata, CO

Built 2015 Load: 42.1 t ADT: 5,000

US 160 EB ML

Good

Over: WILDLIFE CROSSING/DRAIN

23.8 MI E OF JCT US 550, La Plata, CO

Built 2015 Load: 42.1 t ADT: 5,000

COUNTY ROAD 228

Good

Over: FLORIDA RIVER

.3 MI SW OF CR 225, La Plata, CO

Built 1990 Load: 43.3 t ADT: 921

IRR# COUNTY RD 310

Good

Over: FLORIDA RIVER

.3 MI SE OF SH 550, La Plata, CO

Built 1977 Load: 44.1 t ADT: 2,119

NORTH BRIDGE RD

Good

Over: VALLECITO CREEK

1.8 MI N VALLECITO LAKE, La Plata, CO

Built 1971 Load: 47.3 t ADT: 40

COUNTY ROAD 501

Good

Over: LOS PINOS RIVER

7.2 MI NNW OF BAYFIELD, La Plata, CO

Built 1945 Load: 49.2 t ADT: 2,112

IRR# COUNTY RD 334

Good

Over: ALLISON DITCH

.5 MI E OF CR 336, La Plata, CO

Built 1997 Load: 50.4 t ADT: 86

IRR# COUNTY RD 100

Good

Over: LA PLATA RIVER

2 MI W OF SH 140, La Plata, CO

Built 2001 Load: 55.3 t ADT: 170

FDR 597

Good

Over: FLORIDA RIVER

16.5 MI NE OF DURANGO, La Plata, CO

Built 1949 Load: 58.0 t ADT: 84

IRR# CO RD 522A

Good

Over: ALLISON DITCH

N OF JCT OF 524 & 522, La Plata, CO

Built 1999 Load: 58.8 t ADT: 36

COUNTY ROAD 240

Good

Over: FLORIDA RIVER

2 MI NE OF CR 225, La Plata, CO

Built 1976 Load: 99.9 t ADT: 3,235

US 550 ML

Good

Over: ROADWAY, GAME UNDERPASS

3 MI N. OF HERMOSA, La Plata, CO

Built 1977 Load: 99.9 t ADT: 3,200

IRR# US 550 ML

Good

Over: DRAINAGE/GAME CROSSING

0.6 MI N OF NEW MEXICO, La Plata, CO

Built 1999 Load: 99.9 t ADT: 8,100
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.