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)

US 287 ML

Fair

Over: CANAL, CATTLE UNDERPASS

12 MILES NORTH OF TEDS PL, Larimer, CO

Built 1963 Load: 27.2 t ADT: 3,900

County Road 3

Fair

Over: Big Thompson River

1.2 Mi N of Co Rd 18, Larimer, CO

Built 1983 Load: 27.3 t ADT: 1,943

Homestead Lane

Fair

Over: Fall River

200 Ft SW of US Hwy 34, Larimer, CO

Built 1983 Load: 28.0 t ADT: 112

Prospect Road

Fair

Over: Larimer Co. Canal No. 2

20 Ft. E of Lynnwood St., Larimer, CO

Built 1989 Load: 28.1 t ADT: 17,385

County Road 31

Fair

Over: Cottonwood Creek

0.1 Mi S of Co Rd 18E, Larimer, CO

Built 1991 Load: 28.4 t ADT: 766

County Road 70

Fair

Over: Box Elder Creek

100 Ft E of Co Rd 9, Larimer, CO

Built 1984 Load: 28.6 t ADT: 6,368

US 287 ML

Fair

Over: SPRING CREEK

FORT COLLINS, Larimer, CO

Built 1948 Load: 28.7 t ADT: 33,000

I 25 SERVICE RD

Fair

Over: LARIMER COUNTY CANAL SR

5 MI N OF JCT SH 14, Larimer, CO

Built 1966 Load: 28.8 t ADT: 1,911

County Road 103

Fair

Over: Laramie River

6.0 Mi North of St Hwy 14, Larimer, CO

Built 1940 Load: 28.8 t ADT: 95

County Road 25

Fair

Over: Louden Ditch

0.2 Mi N of Co Rd 24, Larimer, CO

Built 1962 Load: 28.8 t ADT: 1,824

SH 1 ML

Fair

Over: LARIMER CO CANAL

2.2 MI N OF FT COLLINS, Larimer, CO

Built 1911 Load: 29.0 t ADT: 7,900

US 34 ML

Fair

Over: LOUDEN DITCH

2.2 M. WEST OF LOVELAND, Larimer, CO

Built 1933 Load: 29.0 t ADT: 8,300

County Road 80

Fair

Over: N. Poudre Canal/Park Cr.

4.9 Mi E of US Hwy 287, Larimer, CO

Built 1970 Load: 29.1 t ADT: 59

US 34 ML

Fair

Over: BIG THOMPSON RIVER

1.5 MI E OF ESTES PARK, Larimer, CO

Built 2010 Load: 29.4 t ADT: 5,800

I 25 ML SBND

Fair

Over: LARIMER COUNTY CANAL

5.2 MI N OF JCT SH 14, Larimer, CO

Built 1966 Load: 29.8 t ADT: 14,000

County Road 1

Fair

Over: Lake Canal

.2 Mi S of CR 38, Larimer, CO

Built 2002 Load: 30.1 t ADT: 2,377

I 25 FRONTAGE RD

Fair

Over: LARIMER COUNTY CANAL SR

5 MI N OF JCT 14/E of I25, Larimer, CO

Built 1966 Load: 30.2 t ADT: 4,395

County Road 4

Fair

Over: Little Thompson River

0.9 Mi E of Co Rd 21, Larimer, CO

Built 1984 Load: 30.5 t ADT: 1,228

SH 14 ML

Fair

Over: HILLS GULCH

41 MI EAST OF CHAMBERS LA, Larimer, CO

Built 1950 Load: 30.8 t ADT: 1,100

County Road 29

Fair

Over: Missouri Canyon Creek

2.7 Mi N of Co Rd 22H, Larimer, CO

Built 1979 Load: 30.9 t ADT: 330

County Road 70

Fair

Over: North Poudre Canal

50 Ft E of Co Rd 13, Larimer, CO

Built 1950 Load: 30.9 t ADT: 5,642

I 25 ML SBND

Fair

Over: N.POUDRE DITCH,SAND CRK

17.8 MI SOUTH OF WYOMING, Larimer, CO

Built 1967 Load: 31.1 t ADT: 12,500

US 36 ML

Fair

Over: BIG THOMPSON RIVER

IN ESTES PARK, Larimer, CO

Built 1951 Load: 31.1 t ADT: 16,000

US 287 ML

Fair

Over: HOOK AND MOOR GLADE

1.3 MI N OF JCT SH 14, Larimer, CO

Built 1966 Load: 31.2 t ADT: 6,500

US 287 ML

Fair

Over: DRAW

2.5 MI N OF JCT SH 14, Larimer, CO

Built 1967 Load: 31.2 t ADT: 6,500

US287 ML

Fair

Over: LARIMER COUNTY CANAL

3.6 MI S OF TEDS PLACE, Larimer, CO

Built 1987 Load: 31.2 t ADT: 9,900

Fish Hatchery Road

Fair

Over: Fall River

0.9 Mi S of US Hwy 34, Larimer, CO

Built 1985 Load: 31.2 t ADT: 130

County Road 19

Fair

Over: Cache La Poudre Overflow

1.2 Mi. N. of Co. Rd. 48, Larimer, CO

Built 2003 Load: 31.3 t ADT: 5,617

County Road 70

Fair

Over: North Poudre Canal

0.2 Mi E of Co Rd 9, Larimer, CO

Built 1970 Load: 31.3 t ADT: 6,368

US287 ML

Fair

Over: LARIMER COUNTY CANAL

1.6 MI S OF TEDS PLACE, Larimer, CO

Built 1987 Load: 31.5 t ADT: 8,900

County Road 63

Fair

Over: Big Thompson River

0.5 Mi N of US Hwy 36, Larimer, CO

Built 1980 Load: 31.5 t ADT: 3,425

Timberline Road

Fair

Over: Larimer and Weld Canal

0.4 Mi N of Vine Drive, Larimer, CO

Built 1988 Load: 31.8 t ADT: 5,291

US 287 ML

Fair

Over: DALE CREEK

25.4 MILES NORTH OF TEDS, Larimer, CO

Built 1958 Load: 32.3 t ADT: 3,900

US 287 ML

Fair

Over: N. TAFT HILL RD_CR19

2.5 MI NW OF FT COLLINS, Larimer, CO

Built 1988 Load: 32.4 t ADT: 9,900

County Road 4E

Fair

Over: Little Thompson River

0.5 Mi E of Co Rd 17, Larimer, CO

Built 1975 Load: 32.5 t ADT: 121

West 1st Street

Fair

Over: Greeley Loveland Canal

50 Ft W of Franklin Ave., Larimer, CO

Built 1988 Load: 32.6 t ADT: 4,384

FDR 209

Fair

Over: CACHE LA POUDRE RIVER

.04 MI SOUTH OF CO HWY 14, Larimer, CO

Built 1960 Load: 32.7 t ADT: 55

KALEY CABIN ROAD

Fair

Over: BIG THOMPSON RIVER

0.1 MILES WEST OF BEAR LA, Larimer, CO

Built 1982 Load: 32.7 t ADT: 50

U.S. ROUTE 34

Fair

Over: FALL RIVER

2.0 MILES WEST OF FALL RI, Larimer, CO

Built 1983 Load: 32.7 t ADT: 3,310

GLACIER BASIN ROAD

Fair

Over: GLACIER CREEK

ENTRANCE TO GLACIER BASIN, Larimer, CO

Built 1982 Load: 32.7 t ADT: 80

SH 14 ML

Fair

Over: CACHE LA POUDRE RIVER

15.7 MI E OF CHAMBERS LAK, Larimer, CO

Built 1985 Load: 32.7 t ADT: 1,100

SH 14 ML

Fair

Over: FALLS GULCH

10.2 MI W OF JCT US 287, Larimer, CO

Built 1950 Load: 32.7 t ADT: 1,200

SH 34 ML

Fair

Over: DRAW

7.5 MI E OF ESTES PARK, Larimer, CO

Built 1978 Load: 32.7 t ADT: 5,800

SH 392 ML

Fair

Over: West Fork Fossil Creek

0.1 MI E OF Lemay Ave., Larimer, CO

Built 2009 Load: 32.7 t ADT: 11,000

US 34 ML EBND

Fair

Over: BARNES INLET CANAL

IN LOVELAND AT LAKE, Larimer, CO

Built 1969 Load: 32.7 t ADT: 12,500

Rockwell Street

Fair

Over: Big Thompson River

60 Ft W of East River, Larimer, CO

Built 1971 Load: 32.7 t ADT: 4,139

Spruce Street

Fair

Over: Fall River

100 Ft N of Elkhorn Ave, Larimer, CO

Built 1978 Load: 32.7 t ADT: 1,240

Bryan Avenue

Fair

Over: Larimer Co. Canal No. 2

75 Ft N of Westview Ave, Larimer, CO

Built 1960 Load: 32.7 t ADT: 419

Battlecreek Drive

Fair

Over: Unknown Drainage

0.1 Mi W of CR 11, Larimer, CO

Built 2000 Load: 32.7 t ADT: 2,818

Crestmore Court

Fair

Over: Larimer Co. Canal No. 2

0.1 Mi E of Bryan Avenue, Larimer, CO

Built 1955 Load: 32.7 t ADT: 506

Related

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