Koochiching County, Minnesota bridges

Koochiching County has 98 bridges and culverts in the National Bridge Inventory, the oldest built in 1912. 6 (6%) are rated poor. The most common type is stringer/multi-beam or girder (40%).

Bridges: 98
Good: 52%
Fair: 42%
Poor: 6%; 6 bridges
Average age: 37.6 yrs
Posted or closed: 6

Map of bridges in Koochiching County

Green good, amber fair, red poor. Click a marker for details.

Search bridges in Koochiching County

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Condition

Good52%(51)

Fair42%(41)

Poor6%(6)

When they were built

Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

Mn 11 over Stream
5,227 vehicles/day
Fair
Mn 11 over Dwp RR
3,565 vehicles/day
Good
US 53 over Rat Root River
2,833 vehicles/day
Fair
Mn 11 over Jack Fish Bay
2,016 vehicles/day
Good
Mn 11 over Tilson Creek
2,016 vehicles/day
Good

Longest

US 53 over Rainy River
949 ft
Fair
US 53 over Rainy River
941 ft
Poor
Mn 65 over Little Fork River
641 ft
Good
Mn 11 over Big Fork River
613 ft
Fair
Mn 11 over Little Fork River
593 ft
Fair

Oldest

US 53 over Rainy River
Built 1912
Poor
CR 101 over Black River
Built 1922
Poor
IRR BIA RTE 8 over Nett Lake River
Built 1935
Good
Mn 11 over Stream
Built 1949
Fair
US 71 over Dinner Creek
Built 1955
Fair

All bridges in Koochiching County

Busiest first · showing 1–98 of 98

Bridges in Koochiching County
Bridge	Location	Built	Type	Length	Daily traffic	Condition
Mn 11 over Stream No. 5961	1.4 MI E of S JCT TH 53	1949	Slab	76 ft	5,227	Fair
Mn 11 over Dwp RR No. 36027	2.9 MI E of S JCT TH 53	2018	Stringer/Multi-beam or Girder	187 ft	3,565	Good
US 53 over Rat Root River No. 36005	1.5 MI NW of Ericsburg	1976	Stringer/Multi-beam or Girder	108 ft	2,833	Fair
Mn 11 over Jack Fish Bay No. 36008	4.0 MI E of Ranier	2012	Stringer/Multi-beam or Girder	49 ft	2,016	Good
Mn 11 over Tilson Creek No. 36014	5.5 MI E of Ranier	2012	Stringer/Multi-beam or Girder	49 ft	2,016	Good
US 53 over E Br Rat Root River No. 36003	2.9 MI S of JCT TH 217	1964	Stringer/Multi-beam or Girder	100 ft	1,733	Good
US 53 over Dwp RY No. 36007	1.4 MI N of Ray	1985	Stringer/Multi-beam or Girder	267 ft	1,603	Fair
US 71 over Little Fork River No. 36013	1.5 MI N of Little Fork	1980	Stringer/Multi-beam or Girder	466 ft	1,458	Poor
US 71 over Big Fork River (n Chan) No. 36011	0.4 MI N of JCT TH 6	1979	Stringer/Multi-beam or Girder	45 ft	1,292	Fair
US 71 over Big Fork River (s Chan) No. 36012	0.3 MI N of JCT TH 6	1979	Stringer/Multi-beam or Girder	125 ft	1,292	Fair
US 53 over Rainy River No. 36002	0.3 MI N of JCT TH 11	1980	Stringer/Multi-beam or Girder	949 ft	1,251	Fair
Mn 11 over Little Fork River No. 36022	0.5 MI W of JCT TH 71	1994	Stringer/Multi-beam or Girder	593 ft	1,247	Fair
Mn 217 over Little Fork River No. 36001	0.1 MI E of JCT TH 65	1963	Stringer/Multi-beam or Girder	440 ft	1,217	Fair
US 71 over Bear River No. 91534	12.4 MI SW of JCT TH 65	1977	Culvert	24 ft	1,155	Fair
Mn 11 over Black River No. 36019	At Loman	1986	Stringer/Multi-beam or Girder	175 ft	731	Fair
Mn 11 over Big Fork River No. 36021	7.1 MI W of JCT TH 71	1992	Stringer/Multi-beam or Girder	613 ft	731	Fair
US 53 over Rainy River No. 90249	0.3 MI N of JCT TH 11	1912	Truss - Thru	941 ft	703	Poor
US 71 over Dinner Creek No. 8853	10.7 MI S of Big Falls	1955	Culvert	39 ft	695	Fair
US 71 over Billy Creek No. 96218	2.0 MI SW of JCT TH 6	1986	Culvert	31 ft	695	Good
Mn 11 over West Fork Black River No. 36020	1.2 MI NW of Loman	1986	Stringer/Multi-beam or Girder	148 ft	548	Fair
Mn 11 over Whitefish Creek No. 36X04	0.4 MI N of Frontier	2006	Culvert	24 ft	548	Good
Csah 24 over Cn Railroad No. 36534	2.5 MI E JCT TH 53	2023	Stringer/Multi-beam or Girder	263 ft	530	Good
Csah 22 over Beaver Brook No. 36507	1.2 MI N of JCT TH 217	1970	Stringer/Multi-beam or Girder	144 ft	453	Fair
Mn 6 over Big Fork River No. 36009	19.8 MI S of JCT TH 71	1977	Stringer/Multi-beam or Girder	218 ft	275	Fair
Mn 6 over Big Fork River No. 36010	14.2 MI S of JCT TH 71	1977	Stringer/Multi-beam or Girder	213 ft	275	Fair
Mn 217 over Beaver Brook No. 36006	2.4 MI E of JCT TH 65	1976	Stringer/Multi-beam or Girder	134 ft	214	Fair
Mn 217 over Rat Root River No. 9028	10.5 MI E of Little Fork	1956	Stringer/Multi-beam or Girder	98 ft	214	Fair
Csah 6 over Caldwell Brook No. 36J14	0.7 MI S of JCT Csah 25	2013	Culvert	47 ft	175	Good
Csah 29 over Rat Root River No. 36529	2.0 MI S of JCT TH 218	2003	Slab	122 ft	170	Good
Csah 1 over Bear River No. 36J20	0.5 MI W of JCT CR 81	2021	Culvert	48 ft	160	Good
Csah 98 over Rat Root River No. 36504	0.2 MI N of JCT TH 53	1967	Slab	130 ft	110	Poor
Csah 98 over Rat Root River No. 92891	0.1 MI N of JCT TH 53	1972	Slab	27 ft	110	Fair
CR 101 over Black River No. 36506	2.3 MI SW of JCT Csah 32	1922	Slab	75 ft	97	Poor
CR 72 over Cross River No. 91787	1.9 MI E of JCT TH 65	1979	Culvert	30 ft	78	Good
Csah 18 over Rapid River No. 36514	1.1 MI SE of JCT TH 11	1976	Stringer/Multi-beam or Girder	166 ft	76	Good
Csah 18 over East Fork Rapid River No. 36523	2.4 MI SE of JCT CR 104	1996	Stringer/Multi-beam or Girder	192 ft	76	Good
Mn 65 over Hay Creek No. 36X11	7.9 MI S of JCT TH 71	2013	Culvert	31 ft	73	Good
Csah 30 over Sturgeon River No. 36519	7.8 MI NW of JCT TH 71	1993	Tee Beam	198 ft	59	Good
Csah 3 over E Br Rat Root River No. 91897	2.7 MI N of JCT TH 53	1986	Culvert	53 ft	58	Good
Csah 1 over Big Fork River No. 36528	1.0 MI NW of JCT Csah 13	2008	Stringer/Multi-beam or Girder	424 ft	55	Good
Ut 415 over Rat Root River No. 36524	0.5 MI S of JCT CR 97	1998	Stringer/Multi-beam or Girder	83 ft	51	Good
CR 82 over W Br Black River No. 36515	0.5 MI W of JCT TH 11	1978	Stringer/Multi-beam or Girder	105 ft	50	Fair
CR 82 over W Br Black River No. 36518	2.1 MI W of JCT TH 11	1986	Slab	104 ft	50	Fair
CR 82 over W Br Black River No. 36525	0.9 MI W of JCT TH 11	2001	Stringer/Multi-beam or Girder	130 ft	50	Good
Ut 9 over East Fork Rapid River No. 36531	0.1 MI S of JCT Csah 18	2012	Stringer/Multi-beam or Girder	150 ft	49	Good
CR 73 over Cross River No. 91788	2.5 MI E of JCT TH 65	1979	Culvert	30 ft	47	Fair
CR 145 over Rat Root River No. 36503	0.9 MI W of JCT TH 53	1963	Stringer/Multi-beam or Girder	94 ft	44	Poor
CR 76 over Stream No. 95546	1.6 MI E of JCT TH 65	1981	Culvert	22 ft	42	Fair
Csah 10 over Bear River No. 36501	4.7 MI N of JCT Csah 1	1966	Stringer/Multi-beam or Girder	120 ft	41	Good
Csah 8 over Nett Lake River No. 36530	3.0 MI NE JCT Mn 65	2007	Stringer/Multi-beam or Girder	134 ft	40	Fair
Mn 65 over Little Fork River No. 36024	14.5 MI S of JCT TH 71	2003	Stringer/Multi-beam or Girder	420 ft	36	Fair
Csah 15 over Battle River No. 36511	0.5 MI N of JCT TH 1	1969	Slab	24 ft	36	Fair
Mn 65 over Prairie Creek No. 36X12	11.1 MI N of County Line	2013	Culvert	34 ft	36	Good
CR 119 over E Br Rat Root River No. 93280	1.5 MI NE of JCT TH 53	1977	Slab	78 ft	36	Fair
Csah 5 over Big Fork River No. 36522	1.7 MI S of JCT CR 62	1996	Stringer/Multi-beam or Girder	196 ft	35	Good
CR 14 over Bear Creek No. 95549	2.1 MI S of JCT Csah 1	1981	Culvert	22 ft	32	Good
CR 77 over Stream No. 96515	0.4 MI W of JCT TH 71	1989	Culvert	22 ft	31	Good
IRR BIA RTE 5 over Nett Lake River No. 00000000000F211	3.7 KM North of HWY 65	1962	Stringer/Multi-beam or Girder	50 ft	30	Fair
CR 99 over Rat Root River No. 36532	0.5 MI N of JCT Csah 29	2022	Slab	70 ft	30	Good
CR 78 over Bear River No. 36J03	1.0 MI W of JCT CR 14	1999	Culvert	30 ft	28	Good
CR 78 over Bear Creek No. 95146	0.6 MI W of JCT CR 14	1980	Culvert	26 ft	28	Good
Csah 8 over Ester Brook No. 36J19	1.3 MI S of JCT CR 80	2017	Culvert	34 ft	27	Good
Csah 75 over Little Fork River No. 36517	2.3 MI SE of JCT TH 65	1985	Stringer/Multi-beam or Girder	323 ft	25	Fair
CR 53 over Caldwell Brook No. 36J10	2.0 MI S; E of Csah 6	2003	Culvert	22 ft	25	Good
Ut 79 over Beaver Brook No. 36516	0.6 MI N of JCT Csah 8	1980	Tee Beam	92 ft	24	Fair
CR 71 over Hay Creek No. 91739	0.4 MI W of JCT TH 65	1978	Culvert	26 ft	24	Good
CR 77 over Bear River No. 97520	2.3 MI W of JCT TH 71	1997	Culvert	34 ft	22	Good
IRR BIA RTE 5 over Wood Duck Creek No. 00000000000F215	10 KM North of HWY 65	1993	Slab	32 ft	20	Fair
Ut 143 over Ester Brook No. 36J01	0.3 MI W of JCT Csah 8	1999	Culvert	26 ft	18	Good
Mn 65 over Little Fork River No. 36025	6.8 MI N of County Line	2008	Stringer/Multi-beam or Girder	641 ft	15	Good
CR 52 over Caldwell Brook No. 91725	0.3 MI S of JCT Csah 25	1978	Culvert	50 ft	15	Fair
CR 62 over Reilly Brook No. 91786	3.0 MI NE of JCT Csah 5	1979	Culvert	50 ft	15	Good
CR 70 over Cross River No. 36J17	1.0 MI S of JCT TH 65	2020	Culvert	22 ft	11	Good
IRR BIA RTE 8 over Nett Lake River No. 00000000000F216	3.5KM N Boise Forte Tower	1935	Stringer/Multi-beam or Girder	76 ft	10	Good
Sfr 97 over Little Tamarac River No. 36J04	2.3 MI E of CO Line	2001	Culvert	31 ft	10	Good
CR 61 over Dinner Creek No. 97939	1.6 MI W of JCT TH 71	1993	Culvert	23 ft	10	Poor
Ut 160 over Boise Cascade /Beaver Br No. R0279	6.0 MI S of JCT Csah 29	1989	Slab	26 ft	10	Fair
CR 88 over Mc Cloud Creek No. 36J09	1.8 MI E of JCT CR 87	2003	Culvert	33 ft	8	Fair
Sfr 62 over Black River No. 36533	1.1 MI W;n of CR 101(13)	2011	Slab	75 ft	6	Good
CR 57 over Valley River No. 36526	1.2 MI W of JCT TH 65	2003	Stringer/Multi-beam or Girder	148 ft	5	Good
CR 71 over Cross River No. 36J12	0.9 MI E of JCT TH65	2013	Culvert	24 ft	5	Good
Ut 198 over Beaver Brook No. R0280	4.6 MI S of JCT TH 217	1985	Slab	32 ft	5	Fair
Ut 50 over Hay Creek No. 91565	0.3 MI S of JCT Csah 30	1978	Culvert	32 ft	3	Good
Ut 50 over Sturgeon River No. 91566	0.2 MI S of JCT Csah 30	1978	Culvert	32 ft	3	Good
Sfr 89 over Caldwell Brook No. L6438	15.0 Miles NE of TH 1	1970	Slab	32 ft	2	Fair
Sfr 98 over Little Tamarac River No. R0283	0.5 MI E of CO Line (150	1989	Slab	26 ft	2	Good
Sfr 245 over Caldwell Brook No. R0288	1.4 MI N of CR 54 (150	1989	Slab	52 ft	2	Fair
Sfr 98 over Lost River No. R0290	SW Quarter of Sec 17(150	1989	Slab	26 ft	2	Fair
Ut 183 over Bowerman Creek No. R0425	0.5 MI W of TH 6	1989	Slab	26 ft	2	Good
Sfr 62 over Stream No. R0426	15.9 MI W of JCT Csah 32	1987	Slab	32 ft	2	Good
Sfr 90 over Plum Creek No. R0427	2.2 MI W of JCT TH 6	1989	Slab	32 ft	2	Good
Sfr 90 over Caldwell Brook No. R0428	8.7 MI W of JCT TH 6	1989	Slab	77 ft	2	Fair
Ut 367 over Rat Root River No. 36J22	7 MI S of US 53	2019	Culvert	23 ft	1	Good
UT-383 over Valley Creek No. 36J23	0.1 MI N of JCT CR 66	2024	Culvert	36 ft	1	Good
Ut 187 over E Br Rat Root River No. 95148	0.1 MI S of JCT Csah 3	1980	Culvert	26 ft	1	Good
Ut 100 over Black River No. L9641	0.4 MI S of JCT Csah 32	1980	Slab	102 ft	1	Good
Ut 145 over Cross River No. R0099	0.1 MI E of JCT TH 65	1986	Stringer/Multi-beam or Girder	61 ft	1	Fair
Sfr 97 over Lost River No. R0277	7.5 MI E of W CO Line	1981	Culvert	24 ft	1	Fair

Structure types in Koochiching County

Stringer/Multi-beam or Girder	39	39.8%
Culvert	34	34.7%
Slab	22	22.4%
Tee Beam	2	2.0%
Truss - Thru	1	1.0%