Winnebago County, Illinois bridges

Winnebago County has 465 bridges and culverts in the National Bridge Inventory, the oldest built in 1901. 32 (7%) are rated poor. The most common type is culvert (46%).

Bridges: 465
Good: 31%
Fair: 63%
Poor: 7%; 32 bridges
Average age: 47.1 yrs
Posted or closed: 27

Map of bridges in Winnebago County

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

Search bridges in Winnebago County

Type at least two characters, or pick a condition or type, to search every bridge in the county.

Condition

Good31%(142)

Fair63%(291)

Poor7%(32)

When they were built

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

Busiest

I-39 & US 20 over Madigan Creek
50,900 vehicles/day
Fair
I-90 N B over US 20 Br
36,350 vehicles/day
Good
I-90 S B over US 20 Br
36,350 vehicles/day
Good
US 20 W B over Ill 251 (11th St)
36,000 vehicles/day
Fair
I-90 over Stream
34,100 vehicles/day
Good

Longest

Jefferson ST over Rock Riv& Madison ST
1,285 ft
Fair
I-39 & US 51 SB over Kishwaukee River
1,170 ft
Fair
I-39 & US 51 NB over Kishwaukee River
1,163 ft
Fair
Harlmem Rd/Bauer P over Rock River
992 ft
Fair
Ramp I-39NB to I90 over I-90
939 ft
Fair

Oldest

Seminary Street over Cn RR
Built 1901
Fair
Kishwaukee Pres RD over Br Kishwaukee River
Built 1901
Fair
South Main ST over Kent Creek
Built 1905
Fair
10th Av over Keith Creek
Built 1910
Fair
11th Street over Keith Creek
Built 1915
Poor

All bridges in Winnebago County

Busiest first · showing 1–200 of 465

Bridges in Winnebago County
Bridge	Location	Built	Type	Length	Daily traffic	Condition
I-39 & US 20 over Madigan Creek No. 101202500000000	1 MI S of I-90	1963	Culvert	29 ft	50,900	Fair
I-90 N B over US 20 Br No. 101996800000000	2 MI E Rockford	2009	Stringer/Multi-beam or Girder	173 ft	36,350	Good
I-90 S B over US 20 Br No. 101996900000000	1.2M W of Newburg RD	2009	Stringer/Multi-beam or Girder	173 ft	36,350	Good
US 20 W B over Ill 251 (11th St) No. 101006600000000	S Edge Rockford	1960	Stringer/Multi-beam or Girder	234 ft	36,000	Fair
I-90 over Stream No. 101995600000000	.6 MI S Riverside Bl	1958	Culvert	25 ft	34,100	Good
US 20 E B over Kishwaukee St. No. 101006100000000	.8 MI W of Ill 251	1960	Stringer/Multi-beam or Girder	155 ft	32,000	Fair
US 20 W B over Kishwaukee St. No. 101006200000000	.8 MI W of Ill 251	1960	Stringer/Multi-beam or Girder	155 ft	32,000	Fair
US 20 E B over Il RR No. 101006300000000	.5 MI W of Ill 251	1960	Stringer/Multi-beam or Girder	163 ft	32,000	Fair
US 20 W B over Il RR No. 101006400000000	.5 MI W of Ill 251	1960	Stringer/Multi-beam or Girder	163 ft	32,000	Fair
US 20 E B over Ill 251 (11th St) No. 101006500000000	S Edge Rockford	1960	Stringer/Multi-beam or Girder	234 ft	32,000	Fair
US 20 W B over Ill 2 No. 101018700000000	1 MI S of Rockford	2019	Stringer/Multi-beam or Girder	220 ft	32,000	Fair
US 20 E B over W Channel Rock Riv No. 101019500000000	.5 MI E of Il 2	2014	Stringer/Multi-beam or Girder	408 ft	32,000	Fair
US 20 W B over W Channel Rock Riv No. 101019600000000	.5 MI E of Ill 2	2015	Stringer/Multi-beam or Girder	408 ft	32,000	Good
US 20 E B over E Channel Rock Riv No. 101019700000000	.7 MI E of Ill 2	2014	Stringer/Multi-beam or Girder	437 ft	32,000	Fair
US 20 W B over E Channel Rock Riv No. 101019800000000	.7 MI E of Ill 2	2015	Stringer/Multi-beam or Girder	437 ft	32,000	Good
I-90 over Stream No. 101995400000000	1 MI S of Ill 173	1958	Culvert	36 ft	31,600	Good
I-90 over Stream No. 101995500000000	.1 MI N Riverside Bl	1958	Culvert	30 ft	31,600	Fair
I-90 NB over Ill RTE 173 No. 101996300000000	3 MI S of Roscoe	2007	Stringer/Multi-beam or Girder	208 ft	31,600	Good
Ill 251 over Spring Creek RD No. 101019000000000	1.4 MI N Whitman ST	2012	Stringer/Multi-beam or Girder	263 ft	29,700	Fair
Il 251 & Ramps over Spring Creek No. 101204200000000	.1 MI N Spring CR RD	2002	Culvert	35 ft	29,700	Fair
I-90 S B over Burr Oak RD No. 101990100000000	1 MI E of Roscoe	1958	Stringer/Multi-beam or Girder	133 ft	29,400	Fair
I-90 N B over Burr Oak RD No. 101990200000000	1 MI E of Roscoe	1958	Stringer/Multi-beam or Girder	133 ft	29,400	Fair
I-90 S B over Stonebridge Trail No. 101990300000000	1 MI E of Roscoe	1958	Stringer/Multi-beam or Girder	162 ft	29,400	Fair
I-90 N B over Stonebridge Trail No. 101990400000000	1 MI E of Roscoe	1958	Stringer/Multi-beam or Girder	162 ft	29,400	Fair
I-90 over Stream No. 101995100000000	1 MI NE of Roscoe	1958	Culvert	33 ft	29,400	Fair
I-90 over N Kinnikinnick Creek No. 101995200000000	1 MI E of Roscoe	1958	Culvert	74 ft	29,400	Good
I-90 over S Kinnikinnick Creek No. 101995300000000	1 MI E of Roscoe	1958	Culvert	74 ft	29,400	Good
I-90 over Stream No. 101996200000000	.97 MI S of Belv. RD	1958	Culvert	22 ft	29,400	Fair
I-90 SB over Ill RTE 173 No. 101996400000000	3 MI S of Roscoe	2007	Stringer/Multi-beam or Girder	208 ft	29,400	Good
Ill 251 NB over N Kinnikinnick CR No. 101003500000000	0.1 M S Hononegah RD	1967	Stringer/Multi-beam or Girder	163 ft	27,200	Fair
Ill 251 SB over N Kinnikinnick CR No. 101003600000000	0.1 M S Hononegah RD	1967	Stringer/Multi-beam or Girder	163 ft	27,200	Fair
Ill 251 NB over S Kinnikinnick CR No. 101003700000000	0.8 M S Hononegah RD	1967	Slab	99 ft	27,200	Fair
Ill 251 SB over S Kinnikinnick CR No. 101003800000000	0.8 M S Hononegah RD	1967	Slab	99 ft	27,200	Fair
I 90 EB over Kishwaukee River No. 101997100000000	.5 MI N Chery Valy	2013	Stringer/Multi-beam or Girder	553 ft	26,100	Fair
I 90 WB over Kishwaukee River No. 101997300000000	.85 MI E of I 39	2013	Stringer/Multi-beam or Girder	553 ft	26,100	Fair
East Riverside Blv over Spring Creek No. 101513800000000	0.1 Mi. W. of I-90	1989	Culvert	37 ft	25,700	Fair
Riverside RD over I-90 No. 101994300000000	2 MI E Loves Park	2009	Stringer/Multi-beam or Girder	233 ft	25,700	Good
FAI 90 S B over Dry Creek No. 101019300000000	1.0 MI South Rt 75	2012	Stringer/Multi-beam or Girder	153 ft	25,500	Fair
FAI 90 NB over Dry Creek No. 101019400000000	1.0 MI South Rt 75	2012	Stringer/Multi-beam or Girder	153 ft	25,500	Fair
I-90 over Drainage No. 101109500000000	.13MI S Prairie RD	2012	Culvert	23 ft	25,500	Good
I-39 & US 20 N B over Cn RR No. 101006700000000	4.7 MI E of Il 251	1963	Stringer/Multi-beam or Girder	170 ft	25,450	Fair
I-39 & US 20 SB over Cn RR No. 101006800000000	4.7 MI E of Il 251	1963	Stringer/Multi-beam or Girder	170 ft	25,450	Fair
I-39 & US 20 SB over UP RR No. 101006900000000	1.4 MI S of I-90	1963	Stringer/Multi-beam or Girder	280 ft	25,450	Fair
I-39 & US 20 N B over UP RR No. 101007000000000	1.4 MI S of I-90	1963	Stringer/Multi-beam or Girder	280 ft	25,450	Fair
I-39 SB over Harrison Ave No. 101007200000000	.6 MI S of I-90	1963	Stringer/Multi-beam or Girder	228 ft	25,450	Poor
Alpine Rd-Fap 412 over S Br of Keith CR No. 101615900000000	.3 MI S of State ST	2015	Culvert	29 ft	24,500	Good
Ill 251 SB over Mcdonald Creek No. 101017500000000	2.0 MI N Ill 173	2002	Stringer/Multi-beam or Girder	88 ft	24,200	Fair
Ill 251 NB over Mcdonald Creek No. 101017600000000	2.0 MI N Ill 173	2002	Stringer/Multi-beam or Girder	88 ft	24,200	Fair
Perryville RD over Keith Creek No. 101513000000000	.2 MI N Spring CR RD	1991	Culvert	36 ft	22,800	Good
Auburn ST over Rock River No. 101011500000000	0.4 MI W of Ill 251	1938	Stringer/Multi-beam or Girder	642 ft	22,600	Fair
Mulford Road over S Br Keith CR No. 101507600000000	0.3 MI N Rt 20	1971	Culvert	25 ft	21,600	Good
Alpine Road over US 20 By-Pass No. 101015100000000	South Edge Rockford	1984	Stringer/Multi-beam or Girder	213 ft	21,400	Fair
Alpine RD over Union Pacific RR No. 101010100000000	0.4 MI S Harrison Av	1963	Stringer/Multi-beam or Girder	149 ft	21,200	Fair
Alpine RD over Cn Railroad No. 101010200000000	0.5 MI S Harrison Av	1963	Stringer/Multi-beam or Girder	152 ft	21,200	Fair
Perryville RD over Spring Creek No. 101514100000000	0.4 MI N Spring Brk	1994	Culvert	28 ft	21,200	Fair
I-39 NB over Harrison Ave No. 101007100000000	.6 MI S of I-90	1963	Stringer/Multi-beam or Girder	228 ft	21,150	Poor
Spring Creek Road over Spring Creek No. 101615800000000	East of Alpine Raod	2001	Culvert	31 ft	21,000	Fair
Alpine RD over Spring Creek No. 101602500000000	0.1 MI S of Sprg Ck	1955	Culvert	45 ft	20,900	Fair
US 20 WB over Prairie RD No. 101005100000000	1 MI W of Ill 2	1964	Stringer/Multi-beam or Girder	154 ft	20,400	Fair
US 20 EB over Prairie RD No. 101005200000000	1 MI W of Ill 2	1964	Stringer/Multi-beam or Girder	154 ft	20,400	Fair
US 20 E B over Simpson RD No. 101005300000000	0.8 MI W of Ill 2	1964	Stringer/Multi-beam or Girder	174 ft	20,400	Fair
US 20 W B over Simpson RD No. 101005400000000	0.8 MI W of Ill 2	1964	Stringer/Multi-beam or Girder	174 ft	20,400	Fair
US 20 E B over Ill 2 No. 101018600000000	1 MI S of Rockford	2019	Stringer/Multi-beam or Girder	220 ft	20,400	Fair
US 20 over Fullers Creek No. 101200800000000	.5 MI W of Ill 2	1964	Culvert	32 ft	20,400	Fair
US 20 Br over Keith Creek No. 101203800000000	.75 MI W Alpine RD	1993	Culvert	54 ft	20,100	Good
Ill 173 over Drainage Ditch No. 101205100000000	.1 MI E of Ill 251	2011	Culvert	39 ft	20,100	Good
Whitman ST over Rock River No. 101613600000000	0.03 MI W of N Main	1960	Stringer/Multi-beam or Girder	742 ft	19,400	Fair
Whitman ST over Madison ST & RR No. 101620000000000	0.25 MI E of Main ST	1961	Stringer/Multi-beam or Girder	334 ft	19,400	Fair
Perryville RD over Madigan CR No. 101511100000000	At Charles ST	1973	Culvert	36 ft	19,200	Fair
North Alpine over Branch of Keith Crk No. 101606800000000	.5 MI N of State ST	2018	Culvert	34 ft	19,000	Good
Mulford Road over Spring Creek No. 101504300000000	.01 N of Springbrook	1964	Culvert	26 ft	18,300	Good
Riverside Blvd over Rock River& RR No. 101640000000000	West Loves Park	1953	Stringer/Multi-beam or Girder	663 ft	17,700	Fair
Ill 251 & W. FR RD over N.Brnch Willow Creek No. 101200400000000	0.25 S JCT Ill 173	1964	Culvert	49 ft	17,300	Fair
Ill 251 & FR Rds over Willow Creek No. 101200500000000	1 MI S JCT Ill 173	1964	Culvert	43 ft	17,300	Fair
Alpine Road over Drainage Ditch No. 101512300000000	0.1 M N Windsor	1972	Culvert	26 ft	16,800	Fair
Alpine RD over Forest Hills RD No. 101306800000000	0.2 MI S Windsor RD	1972	Stringer/Multi-beam or Girder	251 ft	16,700	Fair
Alpine Road over Pebble Creek No. 101507700000000	0.1 MI N Riverside	1972	Culvert	29 ft	16,700	Fair
Perryville RD over Loves Park Creek No. 101514400000000	.4 MI N Riverside Bl	1994	Culvert	24 ft	16,700	Fair
Ill 251 S B over Rockton Road No. 101003100000000	2.6 MI S Ill 75	1967	Stringer/Multi-beam or Girder	192 ft	16,600	Fair
Ill 251 N B over Rockton Road No. 101003200000000	2.6 MI S Ill 75	1967	Stringer/Multi-beam or Girder	192 ft	16,600	Fair
Ill 251 N B over Dry Creek No. 101003300000000	.32 MI N Mccurry RD	1967	Slab	122 ft	16,600	Fair
Ill 251 S B over Dry Creek No. 101003400000000	.32 MI N Mccurry RD	1967	Slab	122 ft	16,600	Fair
Spring Creek Road over Spring Creek No. 101010400000000	0.5 MI E Il 251	1930	Slab	46 ft	16,300	Fair
Il 251 over Loves Park Creek No. 101204100000000	S of River Ln-Lv Pk	1995	Culvert	55 ft	16,300	Fair
Harrison Ave over Concrete Channel No. 101610500000000	.37 MI E of 11th ST	2016	Culvert	59 ft	16,300	Good
Harrison Ave over Madigan Creek No. 101201700000000	.2 MI E Perryvil RD	1963	Culvert	28 ft	16,200	Fair
11th St. (IL251) over S.E. Drainage No. 101200000000000	.35 Mi. S Harrison	1964	Culvert	34 ft	16,100	Fair
Harrison Ave over S.E. Drainage Way No. 101500600000000	At 20th Street	1956	Culvert	48 ft	16,100	Fair
Alpine Road over Willow Creek No. 101513400000000	0.8 Mi. S Il 173	1989	Culvert	53 ft	16,100	Fair
Harrison Ave W B over Cn & UP RR No. 101610900000000	1 MI E of Il 251	2007	Stringer/Multi-beam or Girder	419 ft	16,100	Good
Harrison Ave E B over Cn & UP RR No. 101611100000000	1 MI E of Il 251	2009	Stringer/Multi-beam or Girder	419 ft	16,100	Good
Perryville RD over S. Br. Willow Creek No. 101309100000000	.4 Mi. N. Harlem RD	1998	Frame	44 ft	16,000	Fair
Il 251 (fap 734) over UP RR No. 101016000000000	Kishwaukee St-Rkford	1991	Slab	106 ft	15,800	Fair
Ramp I-39NB to I90 over I-90 No. 101996700000000	.42MI E Newburg RD	2009	Stringer/Multi-beam or Girder	939 ft	15,700	Fair
Ill 2 over Fullers Creek No. 101018400000000	0.6 MI South US 20	2011	Stringer/Multi-beam or Girder	79 ft	15,500	Fair
Perryville RD over Unnamed Creek No. 101514500000000	.6 Mi. S. Il 173	1998	Culvert	21 ft	15,300	Good
US 20 EB over Kishwaukee River No. 101007300000000	.12 MI E Old Mill RD	1963	Stringer/Multi-beam or Girder	230 ft	14,900	Fair
US 20 WB over Kishwaukee River No. 101007400000000	.12 MI E Old Mill RD	1963	Stringer/Multi-beam or Girder	230 ft	14,900	Fair
Charles ST over Keith Creek No. 101011000000000	1.5 MI W Alpine RD	1940	Slab	29 ft	14,700	Fair
US 20 WB over Cunningham Rd. No. 101004700000000	1 MI E Meridian RD	1964	Stringer/Multi-beam or Girder	242 ft	14,600	Fair
US 20 EB over Cunningham Rd. No. 101004800000000	1 MI E Meridian RD	1964	Stringer/Multi-beam or Girder	245 ft	14,600	Fair
US 20 E B over Cn RR No. 101004900000000	1.2 MI E Meridian RD	1964	Stringer/Multi-beam or Girder	85 ft	14,600	Fair
US 20 W B over Cn RR No. 101005000000000	1.2 MI E Meridian RD	1964	Stringer/Multi-beam or Girder	84 ft	14,600	Fair
US RTE 20 over Coolidge Creek No. 101100600000000	4 MI E Pecatonica RD	2003	Culvert	28 ft	14,600	Good
US 20 over Drainage Ditch No. 101200600000000	.2 MI E Meridian RD	1964	Culvert	41 ft	14,600	Fair
US 20 over Kent Creek No. 101200700000000	1.3 MI E Meridian RD	1964	Culvert	49 ft	14,600	Fair
Kishwaukee ST over Keith Creek No. 101616000000000	0.12 N of Broadway	2009	Culvert	39 ft	14,600	Fair
I-39 & US 51 SB over Kishwaukee River No. 101013300000000	0.75 MI S Blkhawk RD	1980	Segmental Box Girder	1,170 ft	14,500	Fair
I-39 & US 51 NB over Kishwaukee River No. 101013400000000	0.75 MI S Blkhawk RD	1981	Segmental Box Girder	1,163 ft	14,500	Fair
I-39 & US 51 SB over Blackhawk RD No. 101014200000000	1.75 MI S of US 20	1981	Stringer/Multi-beam or Girder	146 ft	14,500	Fair
I-39 & US 51 NB over Blackhawk Road No. 101014300000000	1.75 MI S of US 20	1981	Stringer/Multi-beam or Girder	146 ft	14,500	Fair
Ill 2 over Drainage Ditch No. 101000300000000	.05 S Wisc ST LN	1958	Stringer/Multi-beam or Girder	144 ft	13,000	Fair
Ill 251 S B over UP RR No. 101002900000000	2.5 MI South Ill 75	1967	Stringer/Multi-beam or Girder	423 ft	13,000	Poor
Ill 251 N B over UP RR No. 101003000000000	2.5 MI S Ill 75	1967	Stringer/Multi-beam or Girder	423 ft	13,000	Poor
US 20 WB over Grove Creek No. 101016600000000	0.3 MI E Steph. Co.	1994	Stringer/Multi-beam or Girder	102 ft	13,000	Fair
US 20 EB over Grove Creek No. 101016700000000	.3MI E Stephenson CO	1995	Stringer/Multi-beam or Girder	104 ft	13,000	Fair
FAP-525 (rvrsd Blv over Loves Park Creek No. 101642300000000	.2 MI E of Il 251	2017	Slab	70 ft	12,800	Good
I39 NB Ramp over Linden RD No. 101021200000000	Over Linden RD	2024	Stringer/Multi-beam or Girder	161 ft	12,600	Good
I 39 SB Ramp over Over Bypass 20 No. 101021500000000	0.4 MI W of Mulford	2024	Slab	484 ft	12,600	Good
Linden RD over I 39 SB Ramp No. 101021600000000	Over 39 SB Ramp	2023	Stringer/Multi-beam or Girder	147 ft	12,600	Good
Auburn St. over Kent Creek No. 101600000000000	0.1 MI W of Kilburn	1930	Box Beam or Girders - Multiple	61 ft	12,400	Poor
Harlmem Rd/Bauer P over Rock River No. 101308800000000	0.65MI W Il 251	1993	Stringer/Multi-beam or Girder	992 ft	12,000	Fair
Il 2 SB over Mud Creek No. 101017700000000	0.4 MI S Old Rvr RD	2012	Stringer/Multi-beam or Girder	113 ft	11,800	Fair
Il 2 NB over Mud Creek No. 101017800000000	0.4 MI S Old Rivr RD	2012	Stringer/Multi-beam or Girder	113 ft	11,800	Fair
US Rt 20 WB over US 20BR EB No. 101004600000000	3 MI W of Rockford	1961	Stringer/Multi-beam or Girder	264 ft	11,400	Fair
Hononegah RD over Dry Creek No. 101308500000000	1.3 Mi. W. of Il 251	1991	Stringer/Multi-beam or Girder	153 ft	11,400	Fair
Harlem Rd/Bauer Pk over Ice Line Railroad No. 101308400000000	0.2 Mi. E. of Il 2	1989	Stringer/Multi-beam or Girder	132 ft	11,300	Fair
Forest Hill Road over Willow Creek No. 101510300000000	1.6 M S Ill 173	1981	Culvert	44 ft	11,300	Good
Forest Hills Road over Pebble Creek No. 101511900000000	0.1 M N Riverside	1972	Culvert	32 ft	11,200	Fair
Beltline RD over N Channel Rock River No. 101015200000000	.04 MI South Il 2	1986	Stringer/Multi-beam or Girder	493 ft	10,900	Fair
Beltline RD over S Channel Rock Riv No. 101015300000000	0.23 MI South Ill 2	1986	Stringer/Multi-beam or Girder	398 ft	10,900	Fair
Roscoe RD over Rock River No. 101301600000000	0.2 Mi. W. Il 251	1967	Stringer/Multi-beam or Girder	581 ft	10,700	Poor
Forrest Hills RD over Drainage No. 101132300000000	470 N of Il 173	2014	Culvert	43 ft	10,400	Good
Harrison Ave over Rock River No. 101613000000000	0.2 MI E of Ill Rt 2	1975	Stringer/Multi-beam or Girder	798 ft	10,200	Fair
Guilford Road over Keith CR No. 101508800000000	0.7 MI E of Alpine R	1952	Culvert	26 ft	10,150	Fair
Ill 2 over Drainage Ditch No. 101203200000000	1 MI N of Latham RD	1989	Culvert	32 ft	9,950	Fair
Ill 2 over Drainage Ditch No. 101203300000000	.75 MI N Latham RD	1989	Culvert	32 ft	9,950	Fair
Elevator RD over No Kinnikinnick CR No. 101300000000000	0.15 Mi. E. Ill 251	1969	Stringer/Multi-beam or Girder	121 ft	9,800	Fair
Newburg RD over I-90 No. 101996600000000	.10 W of I-39	2008	Stringer/Multi-beam or Girder	254 ft	9,350	Good
11th Street over Keith Creek No. 101605200000000	0.52 N Broadway	1915	Box Beam or Girders - Multiple	34 ft	9,300	Poor
Windsor Road over Drainage Ditch No. 101512200000000	0.1 M W Alpine	1972	Culvert	26 ft	9,150	Good
Rockton RD over Dry Run Creek No. 101515800000000	.5 MI E Il 251	2013	Culvert	60 ft	9,150	Good
US 51 & Il 75 over I-90 No. 101017000000000	E. Edge South Beloit	2000	Stringer/Multi-beam or Girder	219 ft	8,950	Fair
Rockton Ave over NW Drainageway No. 101600500000000	0.3 MI S of Halsted	1962	Stringer/Multi-beam or Girder	29 ft	8,850	Fair
Forest Hills RD SB over Il 251 NB No. 101012300000000	In Rockford	1971	Stringer/Multi-beam or Girder	333 ft	8,750	Good
Mulford Road over Keith Creek No. 101504600000000	0.5 MI N Guilford RD	1961	Culvert	27 ft	8,700	Fair
South Main ST over Kent Creek No. 101611000000000	0.5 MI S of State ST	1905	Arch - Deck	62 ft	8,650	Fair
Il 2 N B over Rock River No. 101012600000000	0.1 M S Hononegah RD	1966	Girder and Floorbeam System	610 ft	8,550	Fair
Il 2 S B over Soo RR &old River RD No. 101012700000000	0.3 M S Hononegah RD	1966	Stringer/Multi-beam or Girder	265 ft	8,550	Fair
Ill 2 N B over Soo RR &old River RD No. 101012800000000	0.3 M S Hononegah RD	1966	Stringer/Multi-beam or Girder	265 ft	8,550	Fair
Springfield Ave over N Fork Kent Creek No. 101010000000000	0.5 MI S of Ill 70	1959	Stringer/Multi-beam or Girder	114 ft	8,500	Poor
Jefferson ST over Rock Riv& Madison ST No. 101613500000000	0.1 MI E of N Main	1925	Other	1,285 ft	8,500	Fair
Roscoe RD over Unnamed Creek No. 101504100000000	At Cm&stp RR	1962	Culvert	27 ft	8,300	Fair
Latham-Ralston RD over Rock River No. 101301700000000	1 Mi. E. Ill 2	1969	Stringer/Multi-beam or Girder	601 ft	8,200	Poor
Chestnut ST over Rock River No. 101613300000000	0.1 MI E of Main ST	1962	Stringer/Multi-beam or Girder	448 ft	8,200	Fair
N 2nd ST over Whitman ST No. 101620100000000	Whitman Interchange	1963	Stringer/Multi-beam or Girder	192 ft	8,200	Fair
N 3rd ST Ext to 2N over SB Ramp to N 6th ST No. 101620200000000	Whitman Interchange	1963	Stringer/Multi-beam or Girder	206 ft	8,200	Poor
Fairview Bl over Keith Creek North Br No. 101606000000000	0.06 MI N State	1955	Slab	61 ft	8,050	Good
Newburg RD over Manning Creek No. 101508200000000	0.2 W of County Line	1974	Culvert	31 ft	8,000	Fair
Fairview Ave over So Br of Keith CR No. 101607300000000	0.05 M S of State ST	1986	Culvert	27 ft	7,900	Fair
Central Ave over N Fork Kent Creek No. 101302300000000	0.1 MI N Auburn ST	1966	Slab	103 ft	7,800	Fair
Perryville RD over Unnamed Creek No. 101515100000000	0.03MI N of Il 173	2004	Culvert	22 ft	7,800	Good
20th ST over Keith Creek No. 101605700000000	0.02 MI S Charles	1928	Slab	30 ft	7,750	Fair
Kishwaukee ST over Drainage Ditch No. 101620400000000	N of Sandy Hollow RD	1992	Culvert	49 ft	7,750	Good
Springfield Ave over Cn RR No. 101309300000000	1/4 MI S Cunningham	2002	Stringer/Multi-beam or Girder	142 ft	7,700	Good
Springfield Ave over S Br Kent Creek No. 101514800000000	700 Ft.S Cunningham	2002	Culvert	88 ft	7,700	Fair
Springfield Ave over Drainage Ditch No. 101201900000000	.4 Mi. N. Auburn St.	1960	Culvert	26 ft	7,600	Fair
Il 251 over Drainage Ditch No. 101205000000000	1.5 MI S US20 Bypass	2019	Culvert	52 ft	7,600	Good
Morgan ST over Rock River No. 101610800000000	0.3 Mile E of Il 2	2013	Arch - Thru	503 ft	7,600	Fair
Perryville Road over I-39 No. 101020600000000	.75 S Harrison Ave	2023	Stringer/Multi-beam or Girder	354 ft	7,450	Good
Perryville RD over Union Pacific Railro No. 101310300000000	.2 MI N I-39	2016	Stringer/Multi-beam or Girder	177 ft	7,450	Fair
Ill 75 over Rock River No. 101010900000000	In Rockton	1927	Stringer/Multi-beam or Girder	568 ft	7,200	Fair
Spring Creek RD over I-90 No. 101991600000000	2 MI N Rt 20 Br	1958	Stringer/Multi-beam or Girder	211 ft	7,050	Fair
Alpine Road over Unnamed Drainageway No. 101513300000000	0.1 MI S of Linden RD	1985	Culvert	25 ft	6,600	Good
W State ST over Kent CR No. 101612700000000	0.06 MI W Kilburn	1979	Box Beam or Girders - Multiple	57 ft	6,400	Fair
Hononegah Road over Ill 2 No. 101012400000000	In Rockton	1966	Stringer/Multi-beam or Girder	267 ft	6,300	Fair
Il 2 over Drainage Ditch No. 101016400000000	0.6 MI NE Ogle CO LN	1994	Slab	79 ft	6,200	Fair
Olde Creek RD over Keith Creek No. 101515200000000	0.2 MI E Perryville	2003	Culvert	57 ft	6,200	Good
School ST over Kent Creek No. 101611700000000	0.2 MI W of Kilburn	1969	Box Beam or Girders - Multiple	51 ft	6,200	Fair
FAU 5063 - State S over Rock River No. 101002100000000	Downtown Rockford	1948	Stringer/Multi-beam or Girder	439 ft	6,000	Fair
Montague RD over US Rt 20 No. 101009400000000	1.5 MI E Meridian RD	1964	Stringer/Multi-beam or Girder	203 ft	5,750	Fair
Argyle RD over Stream No. 101203100000000	0.7 MI S of Ill 173	1983	Culvert	29 ft	5,750	Fair
15th Ave over Rock River No. 101613700000000	0.01 M E of Main	1980	Stringer/Multi-beam or Girder	529 ft	5,750	Poor
Ch 52(WILLOW Brook over Branch of Dry Creek No. 101515400000000	0.5 MI S Rockton RD	2004	Culvert	29 ft	5,650	Good
Main Street over Kinnikinnick Creek No. 101660100000000	In Roscoe	2000	Slab	120 ft	5,600	Good
Orlando ST over Drainage Ditch No. 101205200000000	.02MI N of Ill 173	2011	Culvert	39 ft	5,500	Good
Mulford RD over I-39 & US 20 No. 101020700000000	.5 MI E of US 51	2024	Stringer/Multi-beam or Girder	294 ft	5,400	Good
US Bus 20 over Drainage No. 101107900000000	.39 MI W Meridian RD	2009	Culvert	28 ft	5,350	Good
Mill RD over I 90 No. 101997200000000	.5 MI N of Cherry Va	2013	Stringer/Multi-beam or Girder	241 ft	5,250	Good
Bell School Road over Keith Creek No. 101509100000000	0.2 M N Spring CR RD	1977	Culvert	36 ft	5,150	Good
Il 70 over Drainage Ditch No. 101009000000000	.1 MI N Summerdale	1962	Stringer/Multi-beam or Girder	33 ft	5,000	Fair
Swanson RD over Mcdonald Creek No. 101509300000000	0.6 MI E Rt 251	1977	Culvert	58 ft	5,000	Fair
I 90 WB to I 39 SB over I-90 No. 101997000000000	.5 MI N US 20	2009	Stringer/Multi-beam or Girder	255 ft	5,000	Good
Winnebago Street over Kent CR & RR Tracks No. 101612600000000	0.4 MI S of State ST	1982	Stringer/Multi-beam or Girder	744 ft	4,900	Poor
Riverside Blvd over Keith Creek No. 101509700000000	0.1 MI E Paulson Rd.	1978	Culvert	24 ft	4,875	Good
Kishwaukee RD over Kishwaukee River No. 101310000000000	1.5 MI SW Belt Line	2011	Stringer/Multi-beam or Girder	461 ft	4,850	Fair
Brooke and 9th ST over S.E. Drainageway No. 101608200000000	At Brooke and 9th ST	1967	Culvert	46 ft	4,800	Fair
I-90 Ramp over I-90 No. 101991100000000	.25 MI N of 20 Br	1958	Stringer/Multi-beam or Girder	228 ft	4,750	Fair
I-39 Ramp over Linden Road No. 101013700000000	.25 MI S of US20	1981	Stringer/Multi-beam or Girder	132 ft	4,650	Fair
Ill 70 over Kent Creek No. 101017400000000	0.1 M W Springfld RD	2003	Stringer/Multi-beam or Girder	56 ft	4,600	Fair

Structure types in Winnebago County

Culvert	216	46.5%
Stringer/Multi-beam or Girder	160	34.4%
Box Beam or Girders - Multiple	42	9.0%
Slab	30	6.5%
Arch - Deck	4	0.9%
Frame	4	0.9%
Arch - Thru	2	0.4%
Segmental Box Girder	2	0.4%
Channel Beam	2	0.4%
Truss - Thru	1	0.2%
Girder and Floorbeam System	1	0.2%
Other	1	0.2%