Larimer County, CO

559 public highway bridges

Larimer County Bridge Snapshot

Larimer County, Colorado contains 559 public highway bridges in the FHWA National Bridge Inventory. Roughly 47.4% are rated “Good,” 46.3% “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.

559
Total Bridges
47.4%
Good
2%
Poor
2%
Structurally Deficient

Condition Distribution

Good
47.4% (265)
Fair
46.3% (259)
Poor
2% (11)
SD
2% (11)

All Bridges (559)

ASPENGLEN CAMPGROU

Fair

Over: FALL RIVER

0.2 MILES FROM FALL RIVER, Larimer, CO

Built 1983 Load: 19.0 t ADT: 300

County Road 80C

Fair

Over: N Frk Cache La Poudre Rv

0.5 Mi E of Co Rd 37, Larimer, CO

Built 1981 Load: 19.0 t ADT: 380

Big Pine Lane

Fair

Over: Big Thompson River

15 Ft S of US Hwy 34, Larimer, CO

Built 1977 Load: 19.0 t ADT: 18

I 25 ML NBND

Fair

Over: N.POUDRE DITCH,SAND CRK

11.6 MI NORTH OF JCT SH 1, Larimer, CO

Built 1950 Load: 19.1 t ADT: 12,500

US 34 ML

Fair

Over: DRAW

3.8 MI W OF LOVELAND, Larimer, CO

Built 1933 Load: 20.2 t ADT: 4,900

County Road 25E

Fair

Over: Pleas Valley Lake Canal

1.3 Mi N of Co Rd 52E, Larimer, CO

Built 1963 Load: 20.4 t ADT: 347

County Road 54E

Fair

Over: Pleas. Valley Lake Canal

0.7 Mi E of Co Rd 27E, Larimer, CO

Built 1962 Load: 20.4 t ADT: 246

County Road 56

Fair

Over: Larimer County Canal

1.1 Mi E of I-25, Larimer, CO

Built 1940 Load: 20.4 t ADT: 221

County Road 103

Fair

Over: Larimer Poudre Canal

6.8 Mi N of St Hwy 14, Larimer, CO

Built 1954 Load: 20.6 t ADT: 85

County Road 19

Fair

Over: Poudre Valley Canal

50 Ft N of Co Rd 64, Larimer, CO

Built 1963 Load: 20.8 t ADT: 1,254

US 287 ML

Fair

Over: LOUDEN CANAL

3.2 MI N OF JCT US 34, Larimer, CO

Built 1924 Load: 21.0 t ADT: 34,000

US 287 ML

Fair

Over: SIX MILE CREEK

21.5 MILES NORTH OF TEDS, Larimer, CO

Built 1960 Load: 21.2 t ADT: 3,900

County Road 13E

Fair

Over: Jackson Ditch

0.2 Mi No of Co Rd 52C, Larimer, CO

Built 1962 Load: 21.5 t ADT: 315

County Road 32E

Fair

Over: Cache La Poudre River

0.1 Mi E of Co Rd 3, Larimer, CO

Built 1972 Load: 21.5 t ADT: 6,341

County Road 48

Fair

Over: Larimer & Weld Canal

0.8 Mi East of I-25, Larimer, CO

Built 1970 Load: 21.7 t ADT: 2,271

US 287 ML

Fair

Over: LARIMER COUNTY CANAL

FT COLLINS, Larimer, CO

Built 1948 Load: 21.8 t ADT: 37,000

SH 14 ML

Fair

Over: YOUNGS GULCH

13 MI EAST OF ROAD TO EGG, Larimer, CO

Built 1950 Load: 22.1 t ADT: 1,100

County Road 74E

Fair

Over: South Lone Pine Creek

9.9 Mi E of Co Rd 68C, Larimer, CO

Built 1967 Load: 22.1 t ADT: 2,242

Rustic Road

Fair

Over: Cache La Poudre River

Just S of CR14, Larimer, CO

Built 1959 Load: 22.1 t ADT: 81

US 287 ML

Fair

Over: BIG THOMPSON RIVER

0.4 MI N OF JCT SH 402, Larimer, CO

Built 1950 Load: 22.2 t ADT: 18,000

US 287 ML

Fair

Over: LARAMIE POUDRE CANAL

0.1 MI N OF JCT SH 14, Larimer, CO

Built 1965 Load: 22.5 t ADT: 6,500

County Road 74E

Fair

Over: N Frk Cache La Poudre Rv

1.9 MIi E of Co Rd 37, Larimer, CO

Built 1953 Load: 23.0 t ADT: 2,655

FT COLLINS EXP WAY

Fair

Over: DITCH

1.2 MI S OF TED'S PLACE, Larimer, CO

Built 1987 Load: 23.4 t ADT: 8,900

US 34 ML

Fair

Over: HANDY DITCH

3.7 MI WEST OF LOVELAND, Larimer, CO

Built 1933 Load: 23.5 t ADT: 4,900

County Road 80C

Fair

Over: North Poudre Canal

0.7 Mi E of Co Rd 37, Larimer, CO

Built 1971 Load: 23.5 t ADT: 380

FDR 169

Fair

Over: SHEEP CREEK

50 FT SO OF LARIMER CR 80, Larimer, CO

Built 1977 Load: 23.7 t ADT: 9

County Road 23E

Fair

Over: Dry Creek Tributary

0.8 Mi N of Co Rd 4, Larimer, CO

Built 1987 Load: 23.9 t ADT: 1,838

Fish Hatchery Road

Fair

Over: Fall River

0.2 Mi W of US Hwy 34, Larimer, CO

Built 1983 Load: 24.3 t ADT: 501

Drake Road

Fair

Over: Larimer Co. Canal No. 2

0.1 Mi E of Meadowlark Av, Larimer, CO

Built 1935 Load: 24.5 t ADT: 24,414

Washington Avenue

Fair

Over: Greeley Loveland Canal

100 Ft N of 1st St, Larimer, CO

Built 1922 Load: 24.5 t ADT: 1,989

County Road 16

Fair

Over: Home Supply Ditch

0.2 Mi E of Co Rd 23, Larimer, CO

Built 1969 Load: 24.5 t ADT: 749

County Road 17

Fair

Over: Little Thompson River

0.7 Mi N of Co Rd 2E, Larimer, CO

Built 1986 Load: 24.9 t ADT: 962

County Road 52E

Fair

Over: Cache La Poudre River

0.7 M W of Jct US Hwy 287, Larimer, CO

Built 1957 Load: 25.0 t ADT: 2,343

I 25 SERVICE RD

Fair

Over: WINDSOR RES, CANAL SR

1.6 MI N OF JCT SH 14, Larimer, CO

Built 1966 Load: 25.2 t ADT: 1,450

US 34 ML

Fair

Over: HOME SUPPLY DITCH

3.5 MI W OF LOVELAND, Larimer, CO

Built 1933 Load: 25.2 t ADT: 4,900

David Drive

Fair

Over: Fall River

80 Ft W of US Hwy 34, Larimer, CO

Built 1974 Load: 25.4 t ADT: 221

Fall River Court

Fair

Over: Fall River

100 Ft S of US Hwy 34, Larimer, CO

Built 1974 Load: 25.4 t ADT: 273

County Road 21

Fair

Over: Poudre Valley Canal

1.3 Mi N of Co Rd 60E, Larimer, CO

Built 1972 Load: 25.4 t ADT: 48

County Road 19

Fair

Over: Larimer County Canal

2.0 Mi N of Co Rd 56, Larimer, CO

Built 1979 Load: 25.5 t ADT: 2,014

US 287 ML

Fair

Over: LAKE CANAL

At Woodlawn Dr., Larimer, CO

Built 1930 Load: 25.6 t ADT: 25,000

County Road 103

Fair

Over: Joe Wright Creek

100 Ft N of St Hwy 14, Larimer, CO

Built 1952 Load: 25.8 t ADT: 143

County Road 64

Fair

Over: Poudre Valley Canal

0.1 Mi East of I-25, Larimer, CO

Built 1968 Load: 25.8 t ADT: 3,151

US 34 ML

Fair

Over: N FK BIG THOMPSON RIVER

11.7 MI E OF ESTES PARK, Larimer, CO

Built 2003 Load: 25.9 t ADT: 4,900

US 34 BUSINESS

Fair

Over: FALL RIVER

W SIDE OF ESTES PARK, Larimer, CO

Built 1960 Load: 26.1 t ADT: 4,314

County Road 52E

Fair

Over: Cache La Poudre River

0.1 Mi E of Co Rd 23, Larimer, CO

Built 1957 Load: 26.2 t ADT: 2,343

US 34 BUSINESS

Fair

Over: FALL RIVER

US 34 BUS. IN ESTES PARK, Larimer, CO

Built 1948 Load: 26.3 t ADT: 1,366

County Road 63E

Fair

Over: S Frk Cache La Poudre Rv

4.1 Mi N of Co Rd 44H, Larimer, CO

Built 1971 Load: 26.3 t ADT: 86

County Road 18E

Fair

Over: Dry Creek

1.8 Mi E of Co Rd 31, Larimer, CO

Built 1984 Load: 26.9 t ADT: 2,621

County Road 43F

Fair

Over: Little Thompson River

0.2 Mi N of Co Rd 4F, Larimer, CO

Built 1991 Load: 26.9 t ADT: 29

County Road 42

Fair

Over: Fossil Creek Res. Inlet

Jct. with Co Rd 9, Larimer, CO

Built 1963 Load: 27.1 t ADT: 153

Related

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