Larimer County, CO

559 public highway bridges

Larimer County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Larimer County, Colorado contains 559 public highway bridges. Roughly 47.4% are rated “Good,” 46.3% “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.

559
Total Bridges
47.4%
Good
46.3%
Fair
2%
Poor Condition

Condition Distribution

Good
47.4% (265)
Fair
46.3% (259)
Poor
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
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.