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Every bridge in Platte County, Wyoming

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

159 inventoried bridges, busiest first

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

Platte County, Wyoming, has 159 bridges in the 2025 National Bridge Inventory: 50 rated good, 94 fair, and 15 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 87 Bus over I-25	1975	6,322	Good
US 26 over North Platte River	1983	4,832	Fair
I-25 NBL and SBL over Rock Creek	1975	3,865	Fair
I-25 Nbl over East Johnson Road	1966	3,743	Fair
I-25 Nbl over Fish Creek	1966	3,743	Fair
I-25 Nbl over Laramie River	1966	3,743	Good
I-25 Nbl over Laramie River Road	1966	3,743	Fair
I-25 Nbl over Machinery Pass	1966	3,743	Poor
I-25 Nbl over North Laramie River	1966	3,743	Fair
I-25 Nbl over US 26	1966	3,743	Fair
I-25 Nbl over Canal No. 2	1975	3,657	Good
I-25 Nbl over Swanson Road	1975	3,657	Fair
I-25 Nbl over WYO 312 (South Street)	1975	3,657	Fair
I-25 Nbl over Cottonwood Creek	1960	3,602	Fair
I-25 Nbl over I-25 Service Road	1960	3,602	Good
I-25 Nbl over Machinery Pass	1960	3,602	Good
I-25 Nbl over Pl CR 117 (Pepper Road)	1966	3,602	Good
I-25 Nbl over Spring Creek	1960	3,602	Good
I-25 Nbl over Wyo 319	1960	3,602	Good
I-25 Sbl over East Johnson Road	1966	3,568	Fair
I-25 Sbl over Fish Creek	1966	3,568	Fair
I-25 Sbl over Laramie River	1966	3,568	Good
I-25 Sbl over Laramie River Road	1966	3,568	Fair
I-25 Sbl over Machinery Pass	1966	3,568	Fair
I-25 Sbl over North Laramie River	1966	3,568	Poor
I-25 Nbl over Elkhorn Creek	1973	3,563	Fair
I-25 Nbl over Glendo Intg	1974	3,563	Good
I-25 Nbl over Horseshoe Creek	1974	3,563	Fair
I-25 Nbl over Horseshoe Creek Rd	1974	3,563	Fair
I-25 Nbl over Machinery Pass	1974	3,563	Fair
I-25 Nbl over Machinery Pass	1972	3,563	Poor
I-25 Nbl over Middle Bear Creek	1961	3,563	Fair
I-25 Nbl over Middle Bear Intg	1961	3,563	Fair
I-25 Nbl over Pl CR 147 (Collins Road)	1974	3,563	Good
I-25 Nbl over Pl CR 211 (Elkhorn Crk)	1973	3,563	Fair
I-25 Nbl over South Bear Creek	1961	3,563	Good
I-25 Nbl over BNSF Railway	1969	3,561	Fair
I-25 Nbl over Chugwater Creek	1969	3,561	Good
I-25 Nbl over Machinery Pass	1977	3,561	Fair
I-25 Nbl over South Chugwater Hwy	1969	3,561	Good
I-25 Nbl over Wyo 321	1968	3,561	Good
I-25 Sbl over Cottonwood Creek	1960	3,530	Good
I-25 Sbl over El Rancho Road	1960	3,530	Fair
I-25 Sbl over I-25 Service Road	1960	3,530	Fair
I-25 Sbl over Machinery Pass	1960	3,530	Fair
I-25 Sbl over Pl CR 114 (Fish Creek)	1966	3,530	Good
I-25 Sbl over Spring Creek	1960	3,530	Fair
I-25 Sbl over Canal No. 2	1975	3,526	Fair
I-25 Sbl over Swanson Road	1975	3,526	Good
I-25 Sbl over WYO 312 (South Street)	1975	3,526	Fair
I-25 Nbl over Bordeaux Road	1970	3,514	Good
I-25 Nbl over I-25 East Service Road	1970	3,514	Good
I-25 Nbl over N Antelope Creek Rd	1958	3,514	Fair
I-25 Nbl over Richeau Creek	1958	3,514	Fair
I-25 Nbl over Unnamed Draw	1958	3,514	Fair
I-25 Nbl over Wyo 321	1969	3,514	Good
US 87 Bus over Canal No. 2	1996	3,478	Fair
I-25 Sbl over BNSF Railway	1969	3,404	Fair
I-25 Sbl over Chugwater Creek	1969	3,404	Good
I-25 Sbl over Machinery Pass	1977	3,404	Fair
I-25 Sbl over South Chugwater Hwy	1969	3,404	Good
I-25 Sbl over Wyo 211	1968	3,404	Good
I-25 Sbl over Elkhorn Creek	1973	3,379	Fair
I-25 Sbl over Glendo Intg	1974	3,379	Good
I-25 Sbl over Horseshoe Creek	1974	3,379	Fair
I-25 Sbl over Horseshoe Creek Rd	1974	3,379	Fair
I-25 Sbl over Machinery Pass	1974	3,379	Fair
I-25 Sbl over Machinery Pass	1972	3,379	Fair
I-25 Sbl over Middle Bear Creek	1961	3,379	Fair
I-25 Sbl over Middle Bear Intg	1961	3,379	Good
I-25 Sbl over Pl CR 147 (Collins Road)	1974	3,379	Fair
I-25 Sbl over Pl CR 211 (Elkhorn Crk)	1973	3,379	Good
I-25 Sbl over South Bear Creek	1961	3,379	Fair
I-25 Sbl over Bordeaux Road	1970	3,350	Good
I-25 Sbl over N Antelope Creek Rd	1958	3,350	Poor
I-25 Sbl over Pl CR 98 (TY Road)	1969	3,350	Fair
I-25 Sbl over Richeau Creek	1958	3,350	Poor
I-25 Sbl over Unnamed Draw	1958	3,350	Fair
I-25 Sbl over Wyo 34	1970	3,350	Good
US 26 over BNSF Railway	1962	2,459	Fair
Wyo 320 over Wheatland Creek	1956	2,248	Fair
US 26 over BNSF Railway	1966	2,029	Fair
US 26 over Whalen Draw	1962	1,699	Fair
Wyo 310 over Canal No. 2	2015	1,453	Good
Wyo 310 over I-25	1975	1,453	Fair
Wyo 316 over Rock / Wheatland Creek	1999	1,399	Good
Wyo 34 over Bluegrass Creek	1983	1,304	Fair
Wyo 34 over South Sybille Creek	1982	1,304	Fair
Wyo 34 over Sybille Creek	1983	1,304	Fair
Pl Cnty Rd 109S over North Platte River	1964	1,026	Fair
Cole Street over Rock / Wheatland Creek	1979	979	Poor
Wyo 320 over Laramie River	1987	886	Fair
Wyo 320 over Wheatland Creek	1956	886	Fair
Wyo 34 over Canal No 3	1980	711	Fair
Wyo 34 over Canal No 3	1983	711	Fair
Wyo 34 over Lateral No 1	1983	711	Fair
Wyo 34 over Sand Creek	1983	711	Good
Wyo 34 over Sybille Creek	1983	711	Fair
Pl Cnty Rd 90 over I-25	1966	618	Fair
Pl Cnty Rd 90 over Wheatland Creek	1975	618	Fair
I-25 SBL Off Ramp over US 26	1966	587	Fair
Wyo 316 over Chugwater Creek	2003	582	Good
Wyo 320 over North Laramie River	1986	569	Fair
Wyo 270 over Miller Draw	1982	542	Good
Wyo 319 over Dry Wash	1936	417	Good
Wyo 319 over Elkhorn Creek	1958	417	Good
Front Street over Canal No 2	1982	392	Fair
Pl Cnty Rd 275 over Rock / Wheatland Creek	1975	371	Poor
Wyo 310 over Canal No. 2	2014	356	Good
Wyo 310 over Canal No. 2	2015	356	Good
Wyo 313 over Chugwater Creek	1954	307	Fair
Wyo 319 over BNSF Railway	2011	243	Good
15th Street over Canal No 2	1950	225	Fair
Wyo 319 over Baxter Draw	1935	208	Good
Glendo Park Road over Glendo Dam Spillway	1954	200	Good
Skyline Drive over BNSF Railway	1998	199	Fair
Wyo 319 over Horseshoe Creek	1988	182	Fair
Wyo 319 over Middle Fork Bear Creek	1922	182	Fair
Wyo 319 over North Fork Bear Creek	1922	182	Fair
Pl Cnty Rd 67 over Chugwater Creek	1979	168	Fair
I-25 Service Road over Rock Creek	1948	153	Poor
10th Street over Canal No 2	1930	138	Poor
12th Street over Canal No 2	1950	138	Fair
14th Street over Canal No 2	1950	138	Fair
18th Street over Canal No 2	1978	138	Poor
8th Street over Canal No 2	1950	138	Fair
E Hunton Creek Rd over I-25	1958	138	Poor
E Oak Street over Rock / Wheatland Creek	1978	138	Fair
Pl Cnty Rd 104 over Stewart Draw	1965	138	Fair
Pl Cnty Rd 272 over Laramie River	2007	138	Fair
Pl Cnty Rd 41 over Cottonwood Creek	1970	138	Fair
Pl Cnty Rd 80 over Iowa Lateral Ditch	1970	138	Good
Pl Cnty Rd 81 over Iowa Lateral Ditch	1970	138	Fair
Pl Cnty Rd 87 over Canal No 1	1931	138	Fair
Water Street over Canal No 2	1950	138	Fair
Pl Cnty Rd 59 over Horseshoe Creek	1975	130	Fair
Pl Cnty Rd 59 over Horseshoe Creek	1975	130	Fair
Wyo 314 over I-25	1958	124	Poor
Wyo 314 over Richeau Creek	1949	124	Fair
Lake Side Drive over Guernsey Dam Spillway	1927	100	Fair
Wyo 314 over Chugwater Creek	1949	96	Poor
I-25 Service Road over BNSF Railway	1935	87	Poor
I-25 Service Road over Chugwater Creek	1955	87	Fair
Pl Cnty Rd 245-1 over I-25	1977	86	Fair
Pl Cnty Rd 109S over Laramie River	1980	75	Fair
I-25 Service Road over Cottonwood Creek	1952	58	Good
I-25 Service Road over Spring Creek	1927	58	Fair
Pl Cnty Rd 210 over Cottonwood Creek	2016	51	Good
Pl Cnty Rd 133 over Laramie River	1989	48	Fair
Pl Cnty Rd 133 over North Laramie River	1995	48	Fair
Pl Cnty Rd 133 over Sybille Creek	1988	48	Fair
Pl Cnty Rd 91 over Canal No 1	2007	36	Good
Pl Cnty Rd 232 over Chugwater Creek	2024	25	Good
Pl Cnty Rd 269 over Chugwater Creek	1998	18	Fair
Pl Cnty Rd 204 over Iowa Lateral Ditch	1970	15	Good
Pl Cnty Rd 204 over Laramie River	2016	15	Good
Pl Cnty Rd 204 over Laramie River Overflow	2017	15	Good
Pl Cnty Rd 204 over Sybille Creek	2019	15	Good
Pl Cnty Rd 47 over North Laramie River	1990	10	Poor

Source: FHWA National Bridge Inventory, 2025.

Platte County bridge conditions · Wyoming bridges by county.

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