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 RAMP

Unknown

Over: US 160 ML, WILSON GULCH

.5 MI EAST OF HWY 550, La Plata, CO

Built 2010 ADT: 30,000

US 160 ML

Unknown

Over: CITY ST_ANIMAS RVR

S. EDGE OF DURANGO, La Plata, CO

Built 1979

US 550 NBND RMP

Unknown

Over: US160 ML, WILSON GULCH

DURANGO, La Plata, CO

Built 2010 ADT: 4,400

IRR# COUNTY RD 334

Fair

Over: ALLISON DITCH

.5 MI E OF CR 523, La Plata, CO

Built 1940 Load: 8.7 t ADT: 138

COUNTY ROAD 228

Fair

Over: FLORIDA CANAL

.1 MI S OF CR 225, La Plata, CO

Built 1964 Load: 11.2 t ADT: 1,172

COUNTY ROAD 501

Fair

Over: VALLECITO CREEK

0.5 MI E OF N VALLECITO, La Plata, CO

Built 1971 Load: 12.6 t ADT: 640

US 160 ML

Fair

Over: FLORIDA RIVER

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

Built 1953 Load: 14.7 t ADT: 10,000

CR 124A

Fair

Over: La Plata River

9.4 Mi N of Junc w/ US160, La Plata, CO

Built 2018 Load: 17.4 t ADT: 1

IRR BIA RTE 101

Fair

Over: LOS PINOS RIVER

0.4 KM E. OF JCT 322 &172, La Plata, CO

Built 1955 Load: 17.6 t ADT: 200

PERINS CANYON DR

Fair

Over: LIGHTNER CREEK

1.0 MI W OF HWY 550, La Plata, CO

Built 1978 Load: 18.8 t ADT: 627

PRIVATE LAND ACCES

Fair

Over: LIGHTNER CREEK AR

S.W. EDGE OF DURANGO, La Plata, CO

Built 1973 Load: 18.8 t ADT: 19,000

IRR# COUNTY RD 322

Fair

Over: LOS PINOS RIVER

.2 MI E OF SH 172, La Plata, CO

Built 1961 Load: 19.3 t ADT: 85

COUNTY ROAD 240

Fair

Over: FLORIDA RIVER

E OF JCT CR 243/240, La Plata, CO

Built 1983 Load: 23.3 t ADT: 2,095

IRR# US 550 ML

Fair

Over: ANIMAS RIVER

3 MI NORTH OF NEW MEXICO, La Plata, CO

Built 1957 Load: 23.4 t ADT: 8,100

COUNTY ROAD 240

Fair

Over: FLORIDA RIVER

2.5 MI NE OF CR 225, La Plata, CO

Built 1982 Load: 25.7 t ADT: 3,235

IRR# SH 140 ML

Fair

Over: LA PLATA RIVER

9 MI NORTH OF RED MESA, La Plata, CO

Built 1958 Load: 26.5 t ADT: 1,500

IRR# SH 140 ML

Fair

Over: LA PLATA RIVER

5.5 MILES NORTH OF BREEN, La Plata, CO

Built 1956 Load: 26.6 t ADT: 1,500

SH 151 ML

Fair

Over: DEVIL CREEK

5.3 MI NW OF ALLISON, La Plata, CO

Built 1980 Load: 26.9 t ADT: 1,500

US 160 ML

Fair

Over: LOS PINOS RIVER

23.8 MI EAST OF JCT US 55, La Plata, CO

Built 1962 Load: 27.9 t ADT: 8,600

IRR# SH 140 ML

Fair

Over: LONG HOLLOW CREEK

3 MI NORTH OF NEW MEXICO, La Plata, CO

Built 1964 Load: 28.8 t ADT: 1,800

SH 172 ML

Fair

Over: FLORIDA RIVER

10 MI NO OF IGNACIO, La Plata, CO

Built 1971 Load: 29.3 t ADT: 5,800

IRR# COUNTY RD 334

Fair

Over: ALLISON DITCH

2 MI N OF SH 151, La Plata, CO

Built 1989 Load: 30.4 t ADT: 210

FDR 682

Fair

Over: CANYON CREEK

19.3 MI NNE OF DURANGO, La Plata, CO

Built 1964 Load: 30.5 t ADT: 20

COUNTY ROAD 234

Fair

Over: FLORIDA CANAL

.3 MI N OF CR 237, La Plata, CO

Built 1984 Load: 31.8 t ADT: 2,598

IRR BIA RTE 107

Fair

Over: LOS PINOS RIVER

1.3KM NORTH OF IGNACIO CO, La Plata, CO

Built 1974 Load: 32.4 t ADT: 200

COUNTY ROAD 234

Fair

Over: FLORIDA RIVER

,2 MI SW OF CR 225, La Plata, CO

Built 2006 Load: 32.7 t ADT: 2,438

US 550 ML

Fair

Over: ANIMAS RIVER

IN DURANGO, La Plata, CO

Built 1910 Load: 32.7 t ADT: 28,000

US 550 ML

Fair

Over: DSNG RR

4 MI N OF HERMOSA, La Plata, CO

Built 1977 Load: 33.2 t ADT: 3,200

IRR# COUNTY RD 105

Fair

Over: CHERRY CREEK

7 MI S OF SH 160, La Plata, CO

Built 1985 Load: 33.3 t ADT: 42

COUNTY ROAD 243

Fair

Over: FLORIDA RIVER

1.0 MI S OF LEMON RES., La Plata, CO

Built 1992 Load: 34.2 t ADT: 483

US 160 ML

Fair

Over: ANIMAS RIVER

0.9 MI E OF JCT SH 550, La Plata, CO

Built 1974 Load: 35.9 t ADT: 30,000

COUNTY ROAD 252

Fair

Over: ANIMAS RIVER

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

Built 1983 Load: 36.9 t ADT: 1,734

COUNTY ROAD 234

Fair

Over: FLORIDA RIVER

.2 MI S OF CR 237, La Plata, CO

Built 1986 Load: 38.7 t ADT: 2,885

IRR# COUNTY RD 307

Fair

Over: FLORIDA RIVER

2.6 MI SW OF LA PLATA APT, La Plata, CO

Built 1989 Load: 39.7 t ADT: 130

COUNTY ROAD 223

Fair

Over: FLORIDA RIVER

.4 MI NE OF SH 140, La Plata, CO

Built 1926 Load: 40.0 t ADT: 84

COUNTY ROAD 250

Fair

Over: ANIMAS RVR OVF,ELBERT CR

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

Built 1989 Load: 40.0 t ADT: 519

COUNTY ROAD 501

Fair

Over: GRIMES CREEK

0.2 MI E OF N VALLECITO, La Plata, CO

Built 1992 Load: 40.3 t ADT: 946

COUNTY ROAD 321

Fair

Over: SPRING CREEK

2.3 MI N OF CR 325, La Plata, CO

Built 1995 Load: 40.4 t ADT: 165

US 550 SBND ML

Fair

Over: DRAW

2 MI NORTH OF NEW MEXICO, La Plata, CO

Built 1999 Load: 40.8 t ADT: 4,050

US 550 SBND ML

Fair

Over: DRAW

2 MI. NORTH OF NEW MEXICO, La Plata, CO

Built 2008 Load: 41.5 t ADT: 4,050

US 160 ML

Fair

Over: ANIMAS RIVER

INT. OF 550 & 160, La Plata, CO

Built 1968 Load: 45.1 t ADT: 17,000

County Road 521

Fair

Over: Beaver Creek

4.4 Mi S. of Bayfield, La Plata, CO

Built 1985 Load: 51.2 t ADT: 1,349

US 160 ML

Fair

Over: LIGHTNER CREEK

S.W. EDGE OF DURANGO, La Plata, CO

Built 1970 Load: 55.2 t ADT: 19,000

US550 ML

Fair

Over: LITTLE CASCADE CREEK

8.4 MI S COAL BANK PASS, La Plata, CO

Built 1980 Load: 99.9 t ADT: 3,200

US 160 ML

Fair

Over: LIGHTNER CREEK

W. EDGE OF DURANGO, La Plata, CO

Built 1970 Load: 99.9 t ADT: 12,000

US 160 ML

Fair

Over: LIGHTNER CREEK

W. EDGE OF DURANGO, La Plata, CO

Built 1971 Load: 99.9 t ADT: 12,000

IRR# SH 151 ML

Good

Over: LOS PINOS RIVER

IN IGNACIO, La Plata, CO

Built 2005 Load: 5.8 t ADT: 3,400

NO DATA ENTERED

Good

Over: ROAD

NO DATA ENTERED, La Plata, CO

Built 2013 Load: 17.5 t ADT: 50

US 550 ML

Good

Over: HERMOSA CREEK

10.6 MI NO OF JCT US 160, La Plata, CO

Built 1964 Load: 18.1 t ADT: 6,200

Tipple Ave.

Good

Over: Lightner Creek

0.1 Mi N of US160, La Plata, CO

Built 2020 Load: 20.1 t ADT: 604
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.