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)

SH 14 ML

Fair

Over: CACHE LA POUDRE RIVER

8.3 MI E OF RD AT EGGERS, Larimer, CO

Built 1982 Load: 34.6 t ADT: 1,100

Old Ranger Road

Fair

Over: Fall River

0.5 Mi S of Hwy 34, Larimer, CO

Built 1983 Load: 34.9 t ADT: 268

I 25 ML NBND/RAMP

Fair

Over: FLOOD DRAINAGE

2 MI N OF JCT SH 14, Larimer, CO

Built 1950 Load: 35.3 t ADT: 14,000

County Rd 43

Fair

Over: N. Fork Big Thompson

Horseshoe Bend Rd, Larimer, CO

Built 2016 Load: 35.6 t ADT: 667

County Rd 43

Fair

Over: N. Fork Big Thompson

Horseshoe Bend Rd, Larimer, CO

Built 2016 Load: 35.6 t ADT: 600

County Road 6

Fair

Over: Dry Creek Tributary

0.2 Mi E of Co Rd 23E, Larimer, CO

Built 1988 Load: 35.6 t ADT: 2,684

SH 14 ML

Fair

Over: JOE WRIGHT CREEK

4.6 MI E OF JACKSON-LARIM, Larimer, CO

Built 1976 Load: 35.8 t ADT: 490

US 36 ML

Fair

Over: LITTLE THOMPSON RIVER

11.1 MI SE OF JCT SH 7, Larimer, CO

Built 1937 Load: 36.0 t ADT: 6,500

County Road 18

Fair

Over: Home Supply Ditch

0.6 Mi E of Co Rd 23E, Larimer, CO

Built 1993 Load: 36.1 t ADT: 1,738

US 287 ML

Fair

Over: DRAW, CATTLE UNDERPASS

16.7 MILES NORTH OF TEDS, Larimer, CO

Built 1961 Load: 36.4 t ADT: 3,900

US 287 ML

Fair

Over: DEADMAN CREEK

23 MILES NORTH OF TEDS PL, Larimer, CO

Built 1960 Load: 36.8 t ADT: 3,900

US 287 ML

Fair

Over: STONEWALL CREEK

13.7 MILES NORTH OF TEDS, Larimer, CO

Built 1963 Load: 36.9 t ADT: 3,900

County Road 27

Fair

Over: Buckhorn Creek

2.9 Mi NW of Masonville, Larimer, CO

Built 1960 Load: 36.9 t ADT: 751

County Road 32C

Fair

Over: Buckhorn Creek Trib.

Just W of CR27, Larimer, CO

Built 2007 Load: 37.1 t ADT: 170

Linden Street

Fair

Over: Cache La Poudre River

0.1 Mi NE of Willow St, Larimer, CO

Built 1984 Load: 38.7 t ADT: 2,883

Oak Street

Fair

Over: Larimer Co. Canal No. 2

20 Ft W of Bryan Avenue, Larimer, CO

Built 1987 Load: 38.7 t ADT: 522

US 34 ML

Fair

Over: DICKSON GULCH

7 MI W OF LOVELAND, Larimer, CO

Built 2003 Load: 38.9 t ADT: 4,900

SH 34 ACCESS ROAD

Fair

Over: BIG THOMPSON RIVER AR

IN DRAKE, Larimer, CO

Built 1977 Load: 39.0 t ADT: 48

County Road 69B

Fair

Over: Big Thompson River

0.1 Mi S of End of SH S66, Larimer, CO

Built 1940 Load: 39.0 t ADT: 3,417

Idlewild Lane

Fair

Over: Big Thompson River

15 Ft S of US Hwy 34, Larimer, CO

Built 2019 Load: 39.2 t ADT: 90

Stuart Street

Fair

Over: Spring Creek

0.1 Mi E of Whedbee St., Larimer, CO

Built 1992 Load: 39.6 t ADT: 3,770

US 287 ML

Fair

Over: FOSSIL CREEK

7.3 MI N OF JCT US 34, Larimer, CO

Built 1975 Load: 39.7 t ADT: 31,000

County Road 13C

Fair

Over: Big Thompson River

0.1 Mi N of St Hwy 402A, Larimer, CO

Built 1983 Load: 39.7 t ADT: 2,840

Shields Street

Fair

Over: Importation Channel

0.2 Mi N of Stuart St, Larimer, CO

Built 1992 Load: 40.0 t ADT: 26,994

US 34 ML

Fair

Over: BIG THOMPSON RIVER

6 MI W OF LOVELAND, Larimer, CO

Built 1980 Load: 40.2 t ADT: 4,900

I 25 ML SBND

Fair

Over: WINDSOR RES,CANAL DITCH

6.9 MI S OF JCT SH 1, Larimer, CO

Built 1966 Load: 40.8 t ADT: 19,000

County Road 27E

Fair

Over: Rist Creek

100 Ft N of Co Rd 52E, Larimer, CO

Built 1984 Load: 40.9 t ADT: 99

Berthoud Dale Ln.

Fair

Over: Big Thompson River

10 Ft S of US Hwy 34, Larimer, CO

Built 1977 Load: 41.0 t ADT: 26

SH 14 ML

Fair

Over: POUDRE VALLEY CANAL

1.7 MI W OF 287-TEDS PLAC, Larimer, CO

Built 1984 Load: 41.1 t ADT: 2,100

Drake Road

Fair

Over: Spring Creek

0.0 Mi E of Hanover Dr, Larimer, CO

Built 1997 Load: 42.8 t ADT: 17,741

I 25 ML NBND

Fair

Over: LARIMER COUNTY CANAL

5.2 MI N OF JCT SH 14, Larimer, CO

Built 1950 Load: 43.0 t ADT: 14,000

County Road 28

Fair

Over: Louden Ditch

0.5 Mi E of Co Rd 17, Larimer, CO

Built 1977 Load: 43.0 t ADT: 11,797

County Road 20

Fair

Over: Dry Creek

0.1 Mi E of Co Rd 23H, Larimer, CO

Built 1986 Load: 43.5 t ADT: 3,063

County Road 63E

Fair

Over: S Frk Cache La Poudre Rv

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

Built 1994 Load: 43.6 t ADT: 90

CR52E-Rist Canyon

Fair

Over: Hansen Feeder Canal

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

Built 1989 Load: 43.7 t ADT: 1,155

County Road 9

Fair

Over: Boxelder Creek

0.3 Mi N of Co Rd 70, Larimer, CO

Built 1981 Load: 44.0 t ADT: 684

US 34 ML

Fair

Over: BIG THOMPSON RIVER

14 MI E OF ESTES PARK, Larimer, CO

Built 1936 Load: 44.4 t ADT: 4,900

County Road 37

Fair

Over: Rabbit Creek

1.3 Mi N of Co Rd 74E, Larimer, CO

Built 1981 Load: 44.5 t ADT: 103

US 34 ML

Fair

Over: BIG THOMPSON RIVER

2 MI W OF LOVELAND, Larimer, CO

Built 2005 Load: 44.7 t ADT: 8,300

East Riverside Dr

Fair

Over: Big Thompson River

0.1 Mi S of Elkhorn Ave., Larimer, CO

Built 1979 Load: 45.2 t ADT: 6,668

County Road 29

Fair

Over: Big Thompson River

Junction with Co Rd 22H, Larimer, CO

Built 1978 Load: 45.5 t ADT: 332

Prospect Road

Fair

Over: Spring Creek

0.2 Mi E of Timberline Rd, Larimer, CO

Built 1987 Load: 46.1 t ADT: 24,628

County Road 23E

Fair

Over: Home Supply Ditch

0.4 Mi N of Co Rd 18, Larimer, CO

Built 1986 Load: 46.6 t ADT: 1,075

County Road 11

Fair

Over: Larimer and Weld Canal

0.1 Mi N of CR 54, Larimer, CO

Built 1963 Load: 46.8 t ADT: 95

I 25 ML NBND

Fair

Over: FLOOD DRAINAGE

2.5 MI N OF JCT SH 14, Larimer, CO

Built 1950 Load: 47.6 t ADT: 14,000

SH 14 ML

Fair

Over: CACHE LA POUDRE DITCH 2

2.6 MI E OF JCT US 287, Larimer, CO

Built 1967 Load: 47.7 t ADT: 32,000

SH14ML/FRONTAGE RD

Fair

Over: CACHE LA POUDRE DITCH 2

1.8 MI E OF JCT US 287, Larimer, CO

Built 1967 Load: 47.8 t ADT: 33,000

County Road 60

Fair

Over: Boxelder Creek

0.1 Mi East of I-25, Larimer, CO

Built 1988 Load: 49.3 t ADT: 1,942

County Road 64

Fair

Over: Poudre Valley Canal

0.5 Mi E of Co Rd 21, Larimer, CO

Built 1968 Load: 51.2 t ADT: 49

JFK Parkway

Fair

Over: Larimer Co Canal No. 2

0.1 Mi N of Bockman D, Larimer, CO

Built 1992 Load: 51.3 t ADT: 8,482

Related

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