Alamosa County, CO

16 public highway bridges

Alamosa County Bridge Snapshot

Alamosa County, Colorado contains 16 public highway bridges in the FHWA National Bridge Inventory. Roughly 37.5% are rated “Good,” 62.5% “Fair,” 0% “Poor,” and 0% 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.

16
Total Bridges
37.5%
Good
0%
Poor
0%
Structurally Deficient

Condition Distribution

Good
37.5% (6)
Fair
62.5% (10)
Poor
0% (0)
SD
0% (0)

All Bridges (16)

Access State Park

Fair

Over: Franklin Eddy Canal

San Luis State Park, Alamosa, CO

Built 1985 Load: 20.1 t ADT: 50

COUNTY ROAD 112

Fair

Over: LA JARA CREEK

7.2 MI SE OF ALAMOSA, Alamosa, CO

Built 1990 Load: 23.0 t ADT: 98

COUNTY ROAD 112

Fair

Over: ROCK CREEK

4.9 MI SE OF ALAMOSA, Alamosa, CO

Built 1990 Load: 23.2 t ADT: 121

US 160 ML

Fair

Over: RIO GRANDE

AT EAST END OF ALAMOSA, Alamosa, CO

Built 1966 Load: 26.1 t ADT: 13,000

CR 15 / 15 Mile Rd

Fair

Over: EMPIRE LATERAL

.2 MI S OF SH 370, Alamosa, CO

Built 1998 Load: 26.3 t ADT: 25

Co Rd 4 Mile Lane

Fair

Over: Hooper Lateral

.6 Mi E of CR 102, Alamosa, CO

Built 2021 Load: 34.3 t ADT: 41

STATE ST (CR 650)

Fair

Over: RIO GRANDE RIVER

.1 MI N OF 1ST ST, Alamosa, CO

Built 1982 Load: 39.4 t ADT: 1,994

SH 368 ML

Fair

Over: ALAMOSA FARM LATERL CANA

2.9 MI E OF JCT SH 371, Alamosa, CO

Built 1955 Load: 40.3 t ADT: 230

CNTY RD 2 MI LANE

Fair

Over: HOOPER LATERAL

.9 MI E OF CR 102, Alamosa, CO

Built 1995 Load: 44.8 t ADT: 50

COUNTY ROAD 108

Fair

Over: COSTILLA CANAL

2 MI W OF SH17, Alamosa, CO

Built 1997 Load: 75.6 t ADT: 49

CO RD 1 MI LANE

Good

Over: SAN LUIS VALLEY CANAL

.1 MI E OF CR 102, Alamosa, CO

Built 1993 Load: 20.7 t ADT: 47

COUNTY ROAD 100

Good

Over: EMPIRE CANAL

9.5 MI SW OF ALAMOSA, Alamosa, CO

Built 1991 Load: 22.7 t ADT: 1,052

SH 368 ML

Good

Over: EMPIRE IRRIGATION CANAL

2.3 MI E OF JCT SH 371, Alamosa, CO

Built 1955 Load: 27.6 t ADT: 230

COUNTY ROAD 102

Good

Over: SAN LUIS VALLEY CANAL

.1 MI S OF CR 1 MI LANE, Alamosa, CO

Built 1993 Load: 31.8 t ADT: 33

US 285 ML

Good

Over: ROCK CREEK

3 MI S OF ALAMOSA, Alamosa, CO

Built 1960 Load: 34.3 t ADT: 5,900

COUNTY RD. 12 MILE

Good

Over: EMPIRE CANAL

JUST E OF CR S 101, Alamosa, CO

Built 1990 Load: 40.2 t ADT: 132

Related

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