La Plata County, CO

102 public highway bridges

La Plata County Bridge Snapshot

La Plata County, Colorado contains 102 public highway bridges in the FHWA National Bridge Inventory. Roughly 52.9% are rated “Good,” 42.2% “Fair,” 2% “Poor,” and 2% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in CO are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

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

102
Total Bridges
52.9%
Good
2%
Poor
2%
Structurally Deficient

Condition Distribution

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

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial