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Every bridge in Koochiching County, Minnesota

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

98 inventoried bridges, busiest first

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

Koochiching County, Minnesota, has 98 bridges in the 2025 National Bridge Inventory: 51 rated good, 41 fair, and 6 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
Mn 11 over Stream	1949	5,227	Fair
Mn 11 over Dwp RR	2018	3,565	Good
US 53 over Rat Root River	1976	2,833	Fair
Mn 11 over Jack Fish Bay	2012	2,016	Good
Mn 11 over Tilson Creek	2012	2,016	Good
US 53 over E Br Rat Root River	1964	1,733	Good
US 53 over Dwp Ry	1985	1,603	Fair
US 71 over Little Fork River	1980	1,458	Poor
US 71 over Big Fork River (N Chan)	1979	1,292	Fair
US 71 over Big Fork River (S Chan)	1979	1,292	Fair
US 53 over Rainy River	1980	1,251	Fair
Mn 11 over Little Fork River	1994	1,247	Fair
Mn 217 over Little Fork River	1963	1,217	Fair
US 71 over Bear River	1977	1,155	Fair
Mn 11 over Big Fork River	1992	731	Fair
Mn 11 over Black River	1986	731	Fair
US 53 over Rainy River	1912	703	Poor
US 71 over Billy Creek	1986	695	Good
US 71 over Dinner Creek	1955	695	Fair
Mn 11 over West Fork Black River	1986	548	Fair
Mn 11 over Whitefish Creek	2006	548	Good
Csah 24 over Cn Railroad	2023	530	Good
Csah 22 over Beaver Brook	1970	453	Fair
Mn 6 over Big Fork River	1977	275	Fair
Mn 6 over Big Fork River	1977	275	Fair
Mn 217 over Beaver Brook	1976	214	Fair
Mn 217 over Rat Root River	1956	214	Fair
Csah 6 over Caldwell Brook	2013	175	Good
Csah 29 over Rat Root River	2003	170	Good
Csah 1 over Bear River	2021	160	Good
Csah 98 over Rat Root River	1967	110	Poor
Csah 98 over Rat Root River	1972	110	Fair
CR 101 over Black River	1922	97	Poor
CR 72 over Cross River	1979	78	Good
Csah 18 over East Fork Rapid River	1996	76	Good
Csah 18 over Rapid River	1976	76	Good
Mn 65 over Hay Creek	2013	73	Good
Csah 30 over Sturgeon River	1993	59	Good
Csah 3 over E Br Rat Root River	1986	58	Good
Csah 1 over Big Fork River	2008	55	Good
Ut 415 over Rat Root River	1998	51	Good
CR 82 over W Br Black River	1978	50	Fair
CR 82 over W Br Black River	1986	50	Fair
CR 82 over W Br Black River	2001	50	Good
Ut 9 over East Fork Rapid River	2012	49	Good
CR 73 over Cross River	1979	47	Fair
CR 145 over Rat Root River	1963	44	Poor
CR 76 over Stream	1981	42	Fair
Csah 10 over Bear River	1966	41	Good
Csah 8 over Nett Lake River	2007	40	Fair
CR 119 over E Br Rat Root River	1977	36	Fair
Csah 15 over Battle River	1969	36	Fair
Mn 65 over Little Fork River	2003	36	Fair
Mn 65 over Prairie Creek	2013	36	Good
Csah 5 over Big Fork River	1996	35	Good
CR 14 over Bear Creek	1981	32	Good
CR 77 over Stream	1989	31	Good
CR 99 over Rat Root River	2022	30	Good
Irr Bia Rte 5 over Nett Lake River	1962	30	Fair
CR 78 over Bear Creek	1980	28	Good
CR 78 over Bear River	1999	28	Good
Csah 8 over Ester Brook	2017	27	Good
CR 53 over Caldwell Brook	2003	25	Good
Csah 75 over Little Fork River	1985	25	Fair
CR 71 over Hay Creek	1978	24	Good
Ut 79 over Beaver Brook	1980	24	Fair
CR 77 over Bear River	1997	22	Good
Irr Bia Rte 5 over Wood Duck Creek	1993	20	Fair
Ut 143 over Ester Brook	1999	18	Good
CR 52 over Caldwell Brook	1978	15	Fair
CR 62 over Reilly Brook	1979	15	Good
Mn 65 over Little Fork River	2008	15	Good
CR 70 over Cross River	2020	11	Good
CR 61 over Dinner Creek	1993	10	Poor
Irr Bia Rte 8 over Nett Lake River	1935	10	Good
Sfr 97 over Little Tamarac River	2001	10	Good
Ut 160 over Boise Cascade /beaver Br	1989	10	Fair
CR 88 over Mc Cloud Creek	2003	8	Fair
Sfr 62 over Black River	2011	6	Good
CR 57 over Valley River	2003	5	Good
CR 71 over Cross River	2013	5	Good
Ut 198 over Beaver Brook	1985	5	Fair
Ut 50 over Hay Creek	1978	3	Good
Ut 50 over Sturgeon River	1978	3	Good
Sfr 245 over Caldwell Brook	1989	2	Fair
Sfr 62 over Stream	1987	2	Good
Sfr 89 over Caldwell Brook	1970	2	Fair
Sfr 90 over Caldwell Brook	1989	2	Fair
Sfr 90 over Plum Creek	1989	2	Good
Sfr 98 over Little Tamarac River	1989	2	Good
Sfr 98 over Lost River	1989	2	Fair
Ut 183 over Bowerman Creek	1989	2	Good
Sfr 97 over Lost River	1981	1	Fair
Ut 100 over Black River	1980	1	Good
Ut 145 over Cross River	1986	1	Fair
Ut 187 over E Br Rat Root River	1980	1	Good
Ut 367 over Rat Root River	2019	1	Good
Ut-383 over Valley Creek	2024	1	Good

Source: FHWA National Bridge Inventory, 2025.

Koochiching County bridge conditions · Minnesota bridges by county.

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