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Every bridge in Park County, Colorado

Name: Every bridge in Park County, Colorado
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

55 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Park County, Colorado, has 55 bridges in the 2025 National Bridge Inventory: 18 rated good, 34 fair, and 3 poor (as of August 20, 2026).
This index lists every one of them, busiest first; each links to its own condition record.

Bridge	Built	Vehicles/day	Condition
US 285 Ml over Deer Creek	1958	14,000	Fair
US 285 Ml over Middle Fk So Platte Rvr	2024	8,000	Good
US 285 Ml over Trout Creek	1937	7,200	Fair
US 285 Ml over Geneva Creek	1989	6,400	Fair
US 285 Ml over N. Fork S. Platte River	1962	6,400	Fair
US 285 Ml over Four Mile Creek	1937	5,900	Fair
US 285 Ml over N Fk South Platte Rvr	1989	5,900	Fair
US 285 Ml over N Fk South Platte Rvr	1995	5,900	Good
Nbnd US 285 over County Road 72	2012	4,050	Good
Sbnd US 285 over County Road 72	2012	4,050	Good
SH 9 Ml over Platte Gulch	2023	4,000	Good
US 24 Ml over Draw	1936	3,900	Fair
US 24 Ml over S Fk South Platte Rvr	1978	3,900	Fair
US 24 Ml over Chase Gulch	1937	3,300	Fair
US 24 Ml over Middle Fk S Platte R Ovf	2024	3,300	Good
US 24 Ml over Middle Fk S.platte Rvr	1937	3,300	Poor
US 24 Ml over Muley Gulch	1937	3,300	Fair
US 24 Ml over Mortland Gulch	1937	3,000	Fair
US 285 Ml over S Fk South Platte Rvr	2022	3,000	Good
US 24 Ml over S Fk South Platte Rvr	2000	2,600	Good
SH 9 Ml over Middle Fk S.platte Rvr	1948	2,300	Fair
SH 9 Ml over Middle Fk S.platte Rvr	1951	2,300	Fair
SH 9 Ml over Middle Fk S.platte Rvr	1951	2,300	Fair
SH 9 Ml over S Fk South Platte Rvr	1978	2,200	Fair
US 24 Ml over Agate Creek	1937	2,200	Fair
US 24 Ml over Seasonal Draw	2023	2,200	Good
US 24 Ml over Seasonal Wash	2023	2,200	Good
County Road 64 over N Fork South Platte Rive	1960	1,401	Poor
SH 9 Ml over S Fk South Platte Rvr	1966	1,100	Fair
County Road 14 over Mid Fk South Platte Rvr	1995	796	Good
County Road 77 over Jefferson Creek	2006	446	Good
SH 9 Ml over Currant Creek	1975	430	Fair
SH 9 Ml over Currant Creek	1971	430	Good
County Road 77 over Jefferson Creek	2006	354	Fair
County Road 77 over Jefferson Creek	2006	353	Fair
County Road 77 over Jefferson Creek	2006	352	Fair
County Road 77 over Synder Creek	2006	352	Fair
County Road 77 over Rock Creek	2006	350	Good
County Road 77 over Jefferson Creek	2006	349	Fair
Stagestop Road over Jefferson Creek	1989	336	Fair
County Road 59 over South Platte River	1986	239	Good
Nfsr 96 over So. Platte River	1972	200	Fair
Nfsr 96 over So. Platte River	1971	200	Fair
Nfsr 96 over So. Platte River	1972	200	Fair
Nfsr 96 over So. Platte River	1923	200	Poor
Nfsr 96 over So. Platte River	1972	200	Fair
County Road 77 over Tarryall Creek	2011	170	Good
Cline Drive W over N Fork S Platte River	1960	163	Fair
County Road 64A over N Fork South Platte Rive	1960	157	Fair
Mountain Drive over N Fork S Platte River	1977	143	Fair
US 285 Access Rd over N Fk S Platte River Ar	1995	136	Good
Mantukat Road \| Fs over Tarryall Creek	1970	62	Fair
Old Stagecoach Roa over N Fork S Platte River	1999	44	Fair
County Road 10sw4 over N Fk South Platte River	1960	28	Good
Nfsr 123 over N. Fork So. Platte Riv	1940	10	Fair

Source: FHWA National Bridge Inventory, 2025.

Park County bridge conditions · Colorado bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.