Middlesex County, New Jersey bridges
Middlesex County has 563 bridges and culverts in the National Bridge Inventory, the oldest built in 1878. 24 (4%) are rated poor. The most common type is stringer/multi-beam or girder (62%).
- Bridges
- 563
- Good
- 23%
- Fair
- 73%
- Poor
- 4%
- 24 bridges
- Average age
- 52.8 yrs
- Posted or closed
- 12
Map of bridges in Middlesex County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Middlesex County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good23%(130)
Fair73%(409)
Poor4%(24)
When they were built
Busiest
- Tpknso/Nsi/Sni/Sno over Colonial PipelinesGood196,710 vehicles/day
- Garden ST Parkway over S Br Rahway RiverFair194,231 vehicles/day
- Washington Ave over I-287Fair190,050 vehicles/day
- Nj TURNPIKE(I-95) over Mill BrookFair175,389 vehicles/day
- Nj TURNPIKE(I-95) over Mill BrookFair175,376 vehicles/day
Longest
- Fair
- Good
- Good
- Fair
- Good
Oldest
- Easton Ave(rt 527) over Mile Run BrookFairBuilt 1878
- Landing Lane CR609 over Raritan RiverFairBuilt 1895
- Nj 27 over Raritan RiverFairBuilt 1895
- (main STREET)CR535 over Cranbury BrookFairBuilt 1896
- Fair
All bridges in Middlesex County
Busiest first · showing 1–200 of 563| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| Tpknso/Nsi/Sni/Sno over Colonial Pipelines No. M094060 | 1.83 Mi. South of Int. 12 | 1947 | Culvert | 30 ft | 196,710 | Good |
| Garden ST Parkway over S Br Rahway River No. 361317T | 0.28 MI South of Nj 27 | 1948 | Stringer/Multi-beam or Girder | 34 ft | 194,231 | Fair |
| Washington Ave over I-287 No. 1231161 | At I-287 Exit 6 | 1962 | Stringer/Multi-beam or Girder | 266 ft | 190,050 | Fair |
| Nj TURNPIKE(I-95) over Mill Brook No. M085710 | 1.4 MI S Interchange 10 | 1950 | Culvert | 21 ft | 175,389 | Fair |
| Nj TURNPIKE(I-95) over Mill Brook No. M086380 | 3 MI N of Exit 9/ Rt. 18 | 1950 | Culvert | 23 ft | 175,376 | Fair |
| Nj TURNPIKE(I-95) over Mill Brook No. M086650 | 3.35 MI N of Exit 9 | 1950 | Culvert | 25 ft | 175,376 | Fair |
| Tpknso/Nsi/Sni/Sno over Mill Brook Branch No. M087760 | 0.33 MI South of Int 10 | 1950 | Culvert | 21 ft | 171,920 | Fair |
| Gsp over US Route 1 No. 361306T | 1.35 MI South of Nj 27 | 1948 | Stringer/Multi-beam or Girder | 107 ft | 168,525 | Fair |
| Cranbury S Riverrd over Cedar Brook No. 125B172 | 0.05 MI S of CR 614 | 1983 | Culvert | 20 ft | 155,106 | Fair |
| I-287 over Raritan R D&r Easton Ave No. 1231169 | At I-287 Exit 10 | 1959 | Stringer/Multi-beam or Girder | 711 ft | 132,640 | Fair |
| I-287 over Ambrose Brook No. 1231165 | 0.06 Mi. S. of Int. 8 | 1961 | Culvert | 51 ft | 128,138 | Fair |
| Gsp over Njtpk No. 361297T | 0.95 MI North of US 9 | 1948 | Stringer/Multi-beam or Girder | 241 ft | 127,000 | Fair |
| I-287 over Abandoned Lvrr Alcoa SP No. 1230161 | .87 MI North of US 1 Jct. | 1968 | Frame | 24 ft | 122,239 | Fair |
| US 1 over Connector Road No. 1202152 | 1.03 Mi. North of RT.130 | 2010 | Stringer/Multi-beam or Girder | 95 ft | 119,443 | Good |
| Garden ST Parkway over Raritan River Smith St. No. 361272N | 0.5 MI South of Route 440 | 1954 | Girder and Floorbeam System | 4,391 ft | 116,554 | Fair |
| Parkway N over Chevalier Avenue No. 371263N | 1.75 MI S of GSP&NJ440 Jc | 2018 | Stringer/Multi-beam or Girder | 280 ft | 116,554 | Good |
| US 1 over AMTRAK Livingston&ramps No. 1201158 | 1.7 M South of US 130 | 1994 | Stringer/Multi-beam or Girder | 436 ft | 115,975 | Fair |
| Nj 440 SB over Ramp Wi No. 1234151 | 0.19 MI S. of CR 514 JCT | 1968 | Stringer/Multi-beam or Girder | 113 ft | 114,600 | Fair |
| Route Nj 18 over Route US 1 No. 1213151 | 1.95 Miles North of Nj Tp | 1960 | Stringer/Multi-beam or Girder | 150 ft | 113,710 | Fair |
| Nj Route 18 over Njtpk No. M082950 | 0.3 MI S of Int. 9 | 1974 | Stringer/Multi-beam or Girder | 681 ft | 109,977 | Fair |
| Nj Route 18 over Int. 9 Ramps Te & Wt No. I8334BR | 0.6 MI S of US 1 | 2015 | Stringer/Multi-beam or Girder | 86 ft | 109,819 | Good |
| Njtpk Sni/Nsi Rdwy over Conrail Jamesburg Br No. M074310 | .4 MI N Interchange 8A | 1950 | Stringer/Multi-beam or Girder | 125 ft | 109,530 | Fair |
| Nj Tpk Nsi Sni Rdw over Cranbury-South River RD No. M074390 | .41 MI N Interchange 8 a | 1950 | Stringer/Multi-beam or Girder | 198 ft | 109,530 | Fair |
| Nsi & Sni Rdwy over Tices Lane No. M081580 | 1.5 MI S Int. 9 | 1950 | Stringer/Multi-beam or Girder | 100 ft | 109,530 | Fair |
| NJTPK(I-95)NSI-SNI over Lawrence Brook No. M083550 | .1 MI N Interchange 9 | 1973 | Stringer/Multi-beam or Girder | 197 ft | 109,530 | Fair |
| US 9 and Nj 35 over Raritan Street No. 1208155 | 3.62 MI North of Rt 34 | 1937 | Stringer/Multi-beam or Girder | 88 ft | 108,075 | Fair |
| US 1 & 9 over Nj Transit and Inman Ave No. 1205151 | 1 MI S of Rahway River | 1985 | Stringer/Multi-beam or Girder | 214 ft | 106,283 | Fair |
| US 1 over Amboy Avenue (cr 501) No. 1204151 | 0.75 MI N of I287&RT1 JCT | 1956 | Stringer/Multi-beam or Girder | 86 ft | 104,694 | Good |
| Garden ST Pkwy SB over Raritan Rvr Rlrd (abnd) No. 361253S | 0.6 MI S of Raritan Toll | 1953 | Stringer/Multi-beam or Girder | 180 ft | 103,481 | Fair |
| Njtpk Sno-Sni Rwys over Raritan River&njtpk Utrn No. M08424N | .7 MI N of Int 9 | 1973 | Girder and Floorbeam System | 812 ft | 101,869 | Fair |
| Njtpk Sni-Sno Rwys over Former Lehigh Valley RR No. M08455N | 1.3 MI North of Inter 9 | 1973 | Stringer/Multi-beam or Girder | 154 ft | 101,869 | Fair |
| Njtpk Sno-Sni Rwys over Njtpk U Turn No. M08577N | 1.3 MI S Inter 10 | 1974 | Stringer/Multi-beam or Girder | 109 ft | 101,869 | Fair |
| Njtp Sno-Sni Rwys over Prr Bonnamtown Branch No. M08710N | 0.35 MI SE of RTE 1 | 1974 | Stringer/Multi-beam or Girder | 157 ft | 101,869 | Fair |
| Sno & Sni Rwys over Main ST Edison No. M08727N | 0.8 MI S of Int. 10 | 1974 | Stringer/Multi-beam or Girder | 131 ft | 101,869 | Fair |
| Gsp Southbound over Lake Avenue No. 361346S | 2.7 MI N of Nj 27 | 1948 | Frame | 56 ft | 100,978 | Good |
| Gsp SB over Raritan River Smith St. No. 361272S | 0.5 MI South of Route 440 | 2006 | Stringer/Multi-beam or Girder | 4,376 ft | 100,720 | Good |
| Garden ST Pkwy SB over Chevalier Avenue No. 371263S | 1.75 MI S of GSP&NJ440 Jc | 2018 | Stringer/Multi-beam or Girder | 256 ft | 100,720 | Good |
| Nj Tp Nso-Nsi Rwys over Raritan River & Njtp No. M08424S | .7 MI N Int 9 | 1952 | Girder and Floorbeam System | 814 ft | 100,270 | Fair |
| Njtpk Nso-Nsi Rwys over Former Lehigh Valley RR No. M08455S | 1.3 MI North of Int 9 | 1951 | Stringer/Multi-beam or Girder | 154 ft | 100,270 | Fair |
| Nj Tpk Nso-Nsi Rwy over Nj Tp U Turn No. M08577S | 1.3 MI S Inter 10 | 1950 | Stringer/Multi-beam or Girder | 217 ft | 100,270 | Fair |
| Njtp Nso-Nsi Rwys over Prr Bonnamtown Branch No. M08710S | 0.35 MI SE of RTE 1 | 1950 | Stringer/Multi-beam or Girder | 146 ft | 100,270 | Fair |
| Nj Tp Nso.Nsi Rwys over Main ST Edison No. M08727S | 0.55 MI S of I 95 | 1950 | Stringer/Multi-beam or Girder | 131 ft | 100,270 | Fair |
| Nsi & Sni Roadways over Hightstown-Cranbury Road No. M06985R | 2 MI North of Int 8 | 2014 | Stringer/Multi-beam or Girder | 248 ft | 99,482 | Good |
| Nj TPK(I-95) over Cranbury Brook No. M070740 | 2.4 MI N RTE 33 & Nj Tpk | 1950 | Stringer/Multi-beam or Girder | 41 ft | 99,482 | Fair |
| Nj 440 & Ramp Gw over US 9 Ramp Gt No. 1234175 | 0.25 East of Gsp | 1972 | Stringer/Multi-beam or Girder | 87 ft | 99,372 | Fair |
| US 9 & Nj 35 over Washington Ave (cr 670) No. 1208151 | 1 Mile North of 9-35 Jct. | 1936 | Stringer/Multi-beam or Girder | 57 ft | 99,182 | Fair |
| US 9 & Nj 35 over Conrail (abandoned) No. 1208152 | 0.06 Mi. N of CR 670 | 1936 | Stringer/Multi-beam or Girder | 153 ft | 97,902 | Fair |
| Njtpk Sno-Sni Rwy over Lvrr-Perth Amboy Branch No. M08869N | 0.38 Ni NE of I-95 | 1970 | Stringer/Multi-beam or Girder | 153 ft | 97,296 | Fair |
| Njtpk Sni-Sno Rwy over Amboy Ave (edison Twp) No. M08889N | 0.7 MI E of US 1 | 1969 | Stringer/Multi-beam or Girder | 144 ft | 97,296 | Fair |
| Njtpk Nso-Nsi Rwy over Lvrr-Perth Amboy Branch No. M08869S | 0.38 MI NE of I-95 | 1950 | Stringer/Multi-beam or Girder | 153 ft | 95,190 | Fair |
| Njtpk Nso-Nsi Rwy over Amboy Avenue(edison Twp) No. M08889S | 1.3 MI S of Gsp | 1950 | Stringer/Multi-beam or Girder | 144 ft | 95,190 | Fair |
| US 9 NB and Nj 35 over US9 NB & Main ST No. 1208150 | 0.09 MI South of CR 670 | 1936 | Stringer/Multi-beam or Girder | 79 ft | 94,902 | Fair |
| US 9 & 35 over Conrail (amboy Branch) No. 1208153 | .3 MI No of Rt 9 & 35 JCT | 1937 | Stringer/Multi-beam or Girder | 186 ft | 94,902 | Fair |
| Gsp Northbound over Lake Avenue No. 361346N | 2.7 MI N of Nj 27 | 1948 | Frame | 55 ft | 93,978 | Fair |
| US 1 over Forrestal Road No. 1201151 | 1.66 MI North of CR 571 | 1932 | Stringer/Multi-beam or Girder | 29 ft | 93,321 | Poor |
| US 9 & Nj 35 over Conrail(abandoned) No. 1208154 | 3.52 MI North of Rt 34 | 1937 | Stringer/Multi-beam or Girder | 133 ft | 93,128 | Fair |
| US 9 over Ernston Road (CR.673) No. 1207152 | 1.23 Miles S of Gsp | 1993 | Stringer/Multi-beam or Girder | 119 ft | 93,049 | Good |
| 440 440 06011015 over Arthur Kill No. 3823069 | 3 Miles North of Nj Trpk | 1928 | Truss - Thru | 2,100 ft | 92,650 | Fair |
| 440 440 06011015 over Arthur Kill Road No. 382306A | 3 Miles North of Nj Trpk | 1928 | Girder and Floorbeam System | 2,310 ft | 92,650 | Fair |
| 440 440 06011015 over State Street Ramp No. 382306B | 3 Miles North of Nj Trpk | 1928 | Girder and Floorbeam System | 4,894 ft | 92,650 | Fair |
| Tpk Nsi/Sni/Sno over Ireland Brook No. M077810 | 0.4MI. S. of CR 694 | 1951 | Culvert | 21 ft | 91,953 | Fair |
| US Route 1 over I-287 & Mill Brook Br. No. 1203155 | At Rt 1 & Rt 287 Jct. | 1962 | Culvert | 23 ft | 90,720 | Fair |
| Route Nj 440 over Gsp & Route US 9 No. 1234167 | At JCT RT9 RT440 Gsp | 1970 | Stringer/Multi-beam or Girder | 678 ft | 88,896 | Fair |
| Nj Tpk Nso Nsi Rwy over Ireland Brook Overpass No. M077790 | 3.8 MI North of Int 8A | 1990 | Stringer/Multi-beam or Girder | 106 ft | 87,879 | Good |
| Nj Tpk Nso & Nsi* over So Branch Beaverdam * No. M079150 | 3.55 M South of RT.18 | 1990 | Stringer/Multi-beam or Girder | 125 ft | 87,879 | Fair |
| I-287 NB over Nj 27 No. 1230158 | 1.3 MI North of US 1 Jct. | 1962 | Stringer/Multi-beam or Girder | 86 ft | 87,175 | Fair |
| I-287 SB over Nj 27 No. 1230159 | 1.31 MI North of US 1 JCT | 1962 | Stringer/Multi-beam or Girder | 86 ft | 87,175 | Fair |
| US Rt 9 over Deep Run Brook No. 1206151 | 1.13 Miles No. of Rt. 18 | 1940 | Stringer/Multi-beam or Girder | 35 ft | 86,421 | Fair |
| US Rt 9 over Old Brdg Matawan RD(516) No. 1206153 | 2.28 MI North of Rt 18 | 1941 | Stringer/Multi-beam or Girder | 82 ft | 86,421 | Fair |
| US 9 over Bordentown Ave (cr 615) No. 1207150 | 2.15 MI North of Nj 34 | 1942 | Stringer/Multi-beam or Girder | 83 ft | 86,339 | Fair |
| Garden State Pkwy over Njtpk Inter 11 Ramp Pnt No. I09099C | 0.18 MI SE of Nj.Tpk. | 1970 | Stringer/Multi-beam or Girder | 70 ft | 84,473 | Fair |
| US Rt 9 over Main Street No. 1210150 | 0.8 MI South of Rt 1 Jct. | 1937 | Stringer/Multi-beam or Girder | 79 ft | 84,106 | Fair |
| US Route 9 over Metuchen Avenue No. 1210151 | 0.52 Mi. N. of Nj Tpk JCT | 1937 | Stringer/Multi-beam or Girder | 72 ft | 83,059 | Fair |
| US 9 over Nj 35 No. 1209157 | 0.91 MI S.Of Raritan Rive | 2005 | Stringer/Multi-beam or Girder | 195 ft | 80,680 | Good |
| US RTE 9 over Nj Tpk Int NO.11 Rp.Nttn No. I09132B | .15 MI S US 9 & Nj Tpk | 1950 | Stringer/Multi-beam or Girder | 221 ft | 80,680 | Fair |
| I-287 NB over Nj Turnpike (I-95) No. 1230163 | At Nj Turnpike Junction | 1968 | Stringer/Multi-beam or Girder | 501 ft | 80,015 | Fair |
| I-287 NB over US 1 No. 1230151 | At US 1 Junction | 1963 | Stringer/Multi-beam or Girder | 361 ft | 79,975 | Fair |
| I-287 over Nj Turnpike No. 1230162 | 0.9 MI South of US 1 JCT | 1968 | Stringer/Multi-beam or Girder | 501 ft | 79,960 | Fair |
| I-287 SB over US 1 No. 1230152 | At US 1 Junction | 1962 | Stringer/Multi-beam or Girder | 361 ft | 79,955 | Fair |
| Garden ST Pkwy Nbo over Raritan Rvr.Rlrd (aband) No. 361254O | 0.6 MI S of Raritan Toll | 1953 | Stringer/Multi-beam or Girder | 170 ft | 77,217 | Fair |
| Nj 18 (memrl Pkwy) over Albany ST (nj 27) No. 1237150 | 1.69 MI North of US 1 | 2007 | Stringer/Multi-beam or Girder | 95 ft | 76,785 | Good |
| I-287 SB over Reading Road No. 1231156 | 1.42 MI North of US 1 JCT | 1962 | Frame | 35 ft | 76,294 | Fair |
| US 1&9 over Nj 35 No. 1205150 | 0.5 MI N of US1-US9 JCT | 2008 | Stringer/Multi-beam or Girder | 133 ft | 75,235 | Good |
| Garden ST Pkwy Nbo over U.S. Route 9 No. 361246O | 1.4 MI S of Raritan Toll | 1953 | Stringer/Multi-beam or Girder | 219 ft | 71,503 | Fair |
| Garden ST Pkwy Nbo over Washington RD(535)&PRR No. 361248O | 1.1 MI S of Raritan Toll | 1954 | Stringer/Multi-beam or Girder | 302 ft | 71,503 | Good |
| US RTE 9 over Nj Tpk Nsi-Sni-Sno Rwys No. M091130 | .9 MI E RTE 444 & Nj Tpk | 1951 | Stringer/Multi-beam or Girder | 348 ft | 71,407 | Fair |
| I-287 NB over AMTRAK and Ramp a No. 1230164 | 0.23 Miles North of Nj 27 | 1962 | Stringer/Multi-beam or Girder | 357 ft | 70,906 | Fair |
| I-287 SB over AMTRAK and Ramp "a" No. 1230165 | 2.3 MI North of Nj 27 | 1963 | Stringer/Multi-beam or Girder | 357 ft | 70,906 | Fair |
| I-287 NB over Reading Road No. 1231155 | 2.5 MI North of US 1 Jct. | 1962 | Frame | 35 ft | 67,412 | Fair |
| Njtp Sni-Nsi Rwys over Saw Mill Brook No. M081660 | 1.4 MI S Interchange 9 | 1950 | Culvert | 20 ft | 66,647 | Fair |
| I-287 SB over Durham Avenue No. 1231159 | 1.43 Mile So of 529 JCT | 1961 | Stringer/Multi-beam or Girder | 209 ft | 66,435 | Fair |
| US 1 over Conrail No. 1204153 | 0.30 MI South of US 9 JCT | 2006 | Stringer/Multi-beam or Girder | 189 ft | 65,250 | Fair |
| US 1 Southbound over Raritan Rivr & Local Rds No. 1203156 | 0.7MI N of US1 & NJ18 JCT | 1975 | Stringer/Multi-beam or Girder | 1,888 ft | 65,136 | Fair |
| Gsp SB over US 9 SB & Ramp M No. 361281S | At Gsp & Nj 440 JCT | 1968 | Stringer/Multi-beam or Girder | 337 ft | 64,744 | Fair |
| Gsp NB over US RTE 9 & Ramp M No. 361281N | At Gsp & Nj 440 JCT | 1968 | Stringer/Multi-beam or Girder | 329 ft | 64,556 | Fair |
| Gsp (north Bound) over US Route 9 (sb) No. 361287N | .75 MI N of GSP&NJ440 JCT | 1968 | Stringer/Multi-beam or Girder | 170 ft | 64,556 | Fair |
| Njtpk Sni Roadway over Port Reading RR & 94UTRN No. M09381N | .9 MI N Woodbridge Serv.A | 1950 | Stringer/Multi-beam or Girder | 135 ft | 63,880 | Fair |
| Garden ST Pkwy Sbo over Washington RD(535)&PRR No. 361247U | 1.2 MI S of Raritan Toll | 1953 | Stringer/Multi-beam or Girder | 317 ft | 63,843 | Fair |
| I-287 SB over S Randolphville Road No. 1231163 | At I-287 EXIT-7 | 1962 | Stringer/Multi-beam or Girder | 148 ft | 62,860 | Fair |
| I-287 NB over Durham Ave No. 1231158 | 1.53 MI N. of CR 501 | 1961 | Stringer/Multi-beam or Girder | 209 ft | 61,995 | Fair |
| US 1 NB over Raritan River &local Rds No. 1203150 | 0.5 MI N of Rt 18 & 1 JCT | 1929 | Arch - Deck | 1,902 ft | 61,830 | Fair |
| I-287 NB over Nj 18 Sp.(possumtown Rd) No. 1231166 | 1.77 MI E of Raritan Riv | 1962 | Stringer/Multi-beam or Girder | 118 ft | 61,731 | Good |
| I-287 SB over Nj 18 Sp.(possumtown Rd) No. 1231167 | .1MILE No of Ambrose Bk. | 1962 | Stringer/Multi-beam or Girder | 118 ft | 61,731 | Fair |
| Njtpk Nsi Rdwy over Woodbridge River No. M09265S | 2.4 MI E RTE 444 & Njtpk | 1950 | Stringer/Multi-beam or Girder | 59 ft | 61,276 | Good |
| Njtpk Nsi Roadway over Port Reading RR & 94UTRN No. M09381S | .9 MI N Woodbridge Serv.A | 1970 | Stringer/Multi-beam or Girder | 141 ft | 61,276 | Fair |
| I-287 NB over South Randolphville RD No. 1231162 | I-287 (exit 7) | 1961 | Stringer/Multi-beam or Girder | 148 ft | 60,428 | Fair |
| Route Nj 18 NB over Ramp E (us 1) No. 1213152 | 1.1 Miles North of Nj Tpk | 1960 | Stringer/Multi-beam or Girder | 62 ft | 60,300 | Good |
| Gsp (sb Roadway) over US Route 9 (south Bound) No. 361287S | .75 MI N of GSP&NJ440 JCT | 1968 | Stringer/Multi-beam or Girder | 194 ft | 57,892 | Fair |
| Nj 18 over S.River Conrail Main ST No. 1212150 | 0.4 MI N of CR 516 | 1999 | Stringer/Multi-beam or Girder | 484 ft | 57,073 | Good |
| Nj 440 NB over Ramp Wi No. 1234150 | 0.1 MI North of Njtpk Int | 1968 | Stringer/Multi-beam or Girder | 111 ft | 56,869 | Fair |
| US 1 Northbound over US 9 Southbound No. 1204155 | 0.54 MI S of Nj 35 JCT | 2002 | Stringer/Multi-beam or Girder | 156 ft | 55,047 | Fair |
| Njtpk Sno&rmp Sosa over Woodbridge River No. MN9265N | 2.4 MI E RTE 444 & Njtpk | 1970 | Stringer/Multi-beam or Girder | 57 ft | 53,511 | Fair |
| Sno Roadway over Port Reading RR & 94UTRN No. MN9381N | 0.9 MI N Woodbridge Sa | 1970 | Stringer/Multi-beam or Girder | 141 ft | 53,511 | Fair |
| Njtpk Sni Roadway over Woodbridge River No. M09265N | 2.4 MI E RTE 444 & Njtpk | 1950 | Stringer/Multi-beam or Girder | 59 ft | 53,380 | Fair |
| Nsi Roadway over No Br Beaverdam Brook No. M07946I | 3.8 MI South of Int 9 | 1990 | Stringer/Multi-beam or Girder | 1,048 ft | 52,405 | Fair |
| Gsp Ramp Y over US RT.9 SB & Ramp M No. 361280A | At Gsp & US RT.9 JCT | 1953 | Girder and Floorbeam System | 283 ft | 51,998 | Fair |
| Gsp NB Ramp Gy > over US 9 NB Inner & Outer No. 361280B | At Gsp & Rt 440 JCT | 1968 | Stringer/Multi-beam or Girder | 354 ft | 51,998 | Fair |
| Nj Tpk Nso Rwy over Njtpk INT.12 Rps.Nit&tsi No. M09605A | Interchange 12 | 1970 | Stringer/Multi-beam or Girder | 177 ft | 51,133 | Fair |
| Njtpk Nso&rmp Saso over Woodbridge River No. MS9265S | 2.4 MI E RTE 444 & Njtpk | 1970 | Stringer/Multi-beam or Girder | 59 ft | 51,133 | Good |
| Njtpk Nso Roadway over Port Reading RR & 94UTRN No. MS9381S | .9 MI N Woodbridge Serv.A | 1950 | Stringer/Multi-beam or Girder | 141 ft | 51,133 | Fair |
| Nj 18 Northbound over US 9 Southbound No. 1211159 | 1.13 MI N of Rt 9/520 JCT | 1972 | Stringer/Multi-beam or Girder | 140 ft | 50,254 | Fair |
| Gsp Sbo over Cheesequake Creek No. 361228U | 1.84 Mi. S of GSP/NJ9 JCT | 1953 | Stringer/Multi-beam or Girder | 198 ft | 49,226 | Fair |
| US 130 over Branch of Lawrence Brook No. 1227157 | 3.2 MI North of Nj 32 JCT | 1941 | Frame | 27 ft | 48,830 | Fair |
| Nj 18 SB over Proposed Ramp "a" No. 1213155 | Near US 1 & Nj 18 Inter. | 1988 | Stringer/Multi-beam or Girder | 54 ft | 48,500 | Good |
| Gsp Sbo over Cheesequake Park Road No. 361215U | 3 MI SE of Gsp&rt 9 JCT | 1953 | Stringer/Multi-beam or Girder | 108 ft | 48,489 | Fair |
| Garden ST Pkwy Sbo over Ernston Road No. 361235U | 2.5 MI S of Raritan Toll | 1954 | Stringer/Multi-beam or Girder | 124 ft | 48,257 | Fair |
| US 9 Southbound over US 9 Ramp Gm No. 1234170 | 0.25 MI North of RT440 | 1972 | Stringer/Multi-beam or Girder | 107 ft | 47,988 | Fair |
| Nj 18 SB over Westons Mill Pond No. 1213154 | 0.30 MI S of US 1 | 1988 | Stringer/Multi-beam or Girder | 283 ft | 47,615 | Fair |
| Nj 18 NB over Westons Mill Pond No. 1213150 | 0.3 MI S of US 1 JCT | 1931 | Arch - Deck | 228 ft | 47,603 | Fair |
| Gsp Nbo over Cheesequake Creek No. 361229O | 1.84 Mi. S of GSP/US9 JCT | 1953 | Stringer/Multi-beam or Girder | 198 ft | 47,559 | Fair |
| Nj 18 over Campus Road No. 1237161 | 0.41M N of River RD Jctn | 2004 | Stringer/Multi-beam or Girder | 117 ft | 46,791 | Good |
| Gsp Nbo over Cheesequake Park Road No. 361217O | 3 MI SE of Gsp & RT9 JCT | 1953 | Stringer/Multi-beam or Girder | 107 ft | 46,622 | Fair |
| Garden ST Pkwy Nbo over Ernston Road No. 361236O | 2.5 MI S of Raritan Toll | 1954 | Stringer/Multi-beam or Girder | 123 ft | 46,622 | Fair |
| US Rt 9 NB over Raritan River Smith St. No. 1209155 | 1.1 Mi. S of Nj 440 | 2003 | Stringer/Multi-beam or Girder | 4,392 ft | 46,321 | Good |
| Garden ST Pkwy Sbo over Bordentown Ave (cr 615) No. 361243U | 1.7 MI S of Raritan Toll | 1953 | Stringer/Multi-beam or Girder | 113 ft | 45,238 | Good |
| Garden ST Pkwy Sbo over U.S. Route 9 No. 361245U | 1.5 MI S of Raritan Toll | 1953 | Stringer/Multi-beam or Girder | 216 ft | 45,238 | Fair |
| Garden ST Pkwy Sbo over Ramp a Frm Serv. Area No. 361238U | 2.2 MI S of Raritan Toll | 1972 | Stringer/Multi-beam or Girder | 65 ft | 44,643 | Fair |
| Nj Tpk Sno Roadway over Nj Tpk INTER.11 Ramp Sit No. M09084A | 0.30 MI W of RT.9 | 1970 | Stringer/Multi-beam or Girder | 187 ft | 44,351 | Fair |
| US 130 over Davidson Mill Pond No. 1227158 | 2.3 MI N of Rt 522 JCT | 1941 | Stringer/Multi-beam or Girder | 48 ft | 43,483 | Fair |
| Njtpk Nso Roadway over Nj Tpk INTER.11 Ramp Tso No. M09102A | 0.25 MI W of Route 9 | 1970 | Stringer/Multi-beam or Girder | 174 ft | 43,300 | Fair |
| Nj Tpk Nso Rwy over US RTE 9 No. M09115S | .9 MI E RTE 444 & Nj Tpk | 1951 | Stringer/Multi-beam or Girder | 181 ft | 43,300 | Fair |
| Garden ST Pkwy Nbo over Ramp C to Service Area No. 361238O | 2.1 MI S of Raritan Toll | 1972 | Stringer/Multi-beam or Girder | 70 ft | 43,038 | Fair |
| Garden ST Pkwy Nbo over Bordentown Ave (cr 615) No. 361244O | 1.6 MI S of Raritan Toll | 1953 | Stringer/Multi-beam or Girder | 116 ft | 43,038 | Fair |
| Njtpk INT.11 R.Pnt over Nj Turnpike Roadways No. M09021A | 0.95 MI North of Route 9 | 1970 | Stringer/Multi-beam or Girder | 236 ft | 42,527 | Fair |
| US 130 over Oakeys Brook No. 1227159 | 4.2 MI S of 1-130 JCT | 1934 | Slab | 29 ft | 42,085 | Fair |
| Nj 18 over Raritan R Johnson George No. 1237155 | 1.13MI W of NJ18&27 JCT | 1980 | Girder and Floorbeam System | 1,049 ft | 42,055 | Fair |
| Garden ST Pkwy Nbi over Bordentown Ave. (cr 615) No. 361244I | 1.6 MI S of Raritan Toll | 1972 | Box Beam or Girders - Single or Spread | 114 ft | 41,025 | Fair |
| Garden ST Pkwy Nbi over U.S. Route 9 No. 361246I | 1.4 MI S of Raritan Toll | 1972 | Stringer/Multi-beam or Girder | 194 ft | 41,025 | Fair |
| Garden ST Pkwy Nbi over Washington RD(535)&PCRR No. 361248I | 1.1 MI S of Raritan Toll | 1972 | Stringer/Multi-beam or Girder | 301 ft | 41,025 | Fair |
| Garden ST Pkwy Nbi over Raritan Rvr Rlrd (abnd) No. 361254I | 0.6 MI S of Raritan Toll | 1971 | Stringer/Multi-beam or Girder | 171 ft | 41,025 | Fair |
| US 9 SB over Raritan Riv CR656 Rampr No. 1209156 | 1.08 Mi. S of Nj 440 | 2002 | Stringer/Multi-beam or Girder | 4,393 ft | 40,340 | Good |
| Route US 130 over Brainerd Lake No. 1227151 | 0.5 MI S of 130-535 JCT | 1935 | Frame | 46 ft | 40,311 | Fair |
| Gsp Nbi over Cheesequake Creek No. 361229I | 1.84 Mi. S of GSP/US9 JCT | 1974 | Stringer/Multi-beam or Girder | 198 ft | 38,832 | Fair |
| Garden ST Pkwy Sbi over Bordentown Ave (cr 615) No. 361243E | 1.6 MI S of Raritan Toll | 1972 | Box Beam or Girders - Single or Spread | 114 ft | 38,642 | Fair |
| Garden ST Pkwy Sbi over U.S. Route 9 No. 361245E | 1.5 MI S of Raritan Toll | 1972 | Stringer/Multi-beam or Girder | 194 ft | 38,642 | Fair |
| Garden ST Pkwy Sbi over Washington RD(535)&PCRR No. 361247E | 1.2 MI S of Raritan Toll | 1972 | Stringer/Multi-beam or Girder | 312 ft | 38,642 | Fair |
| Nj Tpk Int 11 Tps over Garden State Parkway No. I09099D | 0.20 MI SE of Nj Tpk | 1970 | Stringer/Multi-beam or Girder | 297 ft | 38,380 | Fair |
| Gsp Sbi over Cheesequake Creek No. 361228E | 1.84 Mi. S. of GSP/NJ9 Jc | 1974 | Stringer/Multi-beam or Girder | 197 ft | 38,287 | Fair |
| US 130 over Ridge Road (cr 522) No. 1227156 | 1.7 MI North of Nj 32 JCT | 1941 | Stringer/Multi-beam or Girder | 58 ft | 38,155 | Poor |
| Gsp NB Inner over Ernston Road No. 361236I | 2.5 MI S of Raritan Toll | 1972 | Box Beam or Girders - Single or Spread | 115 ft | 38,067 | Fair |
| Gsp Sbi over Cheesequake Park Road No. 361215E | 3 MI SE of GSP&RT9 JCT | 1972 | Stringer/Multi-beam or Girder | 85 ft | 37,533 | Fair |
| Garden ST Pkwy Sbi over Ernston Road No. 361235E | 2.5 MI S of Raritan Toll | 1972 | Box Beam or Girders - Single or Spread | 124 ft | 37,533 | Fair |
| US Rt 130 over Conrail Jamesburg Br No. 1227155 | 1 MI N of Rt 130 & 32 JCT | 1941 | Stringer/Multi-beam or Girder | 165 ft | 37,178 | Poor |
| Woodbridge Ave over Raritan Center Pkwy No. 121B502 | 0.6MI West of Nj Rt 448 | 1998 | Stringer/Multi-beam or Girder | 105 ft | 36,297 | Good |
| Nj Tpk Ramp Wt-Te over Forsgate Road No. I07389B | At Int 8A | 1990 | Stringer/Multi-beam or Girder | 186 ft | 36,200 | Fair |
| NJTPK(I-95)SNO Rwy over Lawrence Brook No. M08355N | .1 MI N Interchange 9 | 1973 | Stringer/Multi-beam or Girder | 197 ft | 36,086 | Fair |
| Garden ST Pkwy Nbi over Ramp C to Service Area No. 361238I | 2.1 MI S of Raritan Toll | 1972 | Stringer/Multi-beam or Girder | 78 ft | 36,039 | Fair |
| US 130 NB over US 1 + Connectors No. 1227163 | Over Route US 1 Nb/Sb | 2003 | Stringer/Multi-beam or Girder | 525 ft | 35,495 | Good |
| Nj Tpk Nso Rwy over Conrail/Cranbury S Rv RD No. M07435S | .57 MI North of Int 8A | 1990 | Stringer/Multi-beam or Girder | 440 ft | 35,474 | Fair |
| Nj Tpk Nso Roadway over No Branch Beaverdam * No. M07946S | 3.8 MI South of Int 9 | 1990 | Stringer/Multi-beam or Girder | 876 ft | 35,474 | Fair |
| Nj Tpk Nso Roadway over Bog Brook No. M080330 | 3 MI South of Int 9 | 1990 | Stringer/Multi-beam or Girder | 68 ft | 35,474 | Good |
| Nj Tpk Nso Roadway over Westons Mill Pond No. M08076S | 2.5 MI South of Int 9 | 1990 | Stringer/Multi-beam or Girder | 37 ft | 35,474 | Good |
| Nj Tpk Nso Roadway over Tices Lane No. M08158S | 1.5 MI South of Int 9 | 1990 | Stringer/Multi-beam or Girder | 103 ft | 35,474 | Fair |
| Nj Tpk Nso Roadway over Sawmill Brook No. M08166S | 1.4 MI South of Int 9 | 1990 | Stringer/Multi-beam or Girder | 497 ft | 35,474 | Fair |
| NJTPK(I-95)NSO Rwy over Lawrence Brook No. M08355S | .1 MI N Interchange 9 | 1973 | Stringer/Multi-beam or Girder | 197 ft | 35,474 | Good |
| Garden ST Pkwy Sbi over Ramp a from Serv. Area No. 361238E | 2.1 MI S of Raritan Toll | 1972 | Stringer/Multi-beam or Girder | 59 ft | 35,328 | Good |
| Route Nj 35 over Cheesequake Creek & Ramp No. 1222150 | .25 MI So of Ny&lb RR | 1942 | Movable - Bascule | 712 ft | 34,683 | Fair |
| Nj 18 NB over Conrail No. 1212153 | 2.0 MI S of Njtpk JCT | 1931 | Stringer/Multi-beam or Girder | 112 ft | 34,578 | Fair |
| Nj 33 over Bentleys Brook No. 1220150 | 2.3 MI East of Njtpk JCT | 1926 | Slab | 29 ft | 33,568 | Fair |
| Nj 18 SB over Conrail No. 1212154 | 2.12 MI S of Njtpk JCT | 1963 | Box Beam or Girders - Multiple | 116 ft | 33,313 | Fair |
| Nj Tpk St-Tn Ramps over Nj Tpk Nso Nsi Sni Sno* No. M083420 | .1 MI North of Int 9 | 1973 | Stringer/Multi-beam or Girder | 554 ft | 32,763 | Fair |
| Nso Roadway over Hightstown-Cranbury Road No. M06985S | 2.1 MI North of Exit 8 | 2013 | Stringer/Multi-beam or Girder | 255 ft | 32,299 | Good |
| Njtpk (I-95) over Cranbury Brook No. M07074S | 0.26 MI North of CR 689 | 2014 | Stringer/Multi-beam or Girder | 45 ft | 32,299 | Good |
| Nj Tpk Nso Roadway over Shallow Brook (wetlands) No. M07310S | 0.77 MI S of Exit 8A | 1990 | Tee Beam | 73 ft | 32,299 | Good |
| Njtpk Sno Roadway over Conrail Jamesburg Br No. M07431N | .4 MI N Interchange 8A | 1990 | Stringer/Multi-beam or Girder | 123 ft | 31,337 | Fair |
| Nj Tpk Sno Roadway over Cranbury-South River RD No. M07439N | .41 MI N Interchange 8A | 1990 | Stringer/Multi-beam or Girder | 253 ft | 31,337 | Good |
| Nj Tpk Sno Roadway over Wetland No. M07558N | 1.6 MI North of Int 8A | 1990 | Box Beam or Girders - Multiple | 128 ft | 31,337 | Fair |
| Nj Tpk Sno Roadway over Bog Brook No. M080370 | 3 MI South of Int 9 | 1990 | Stringer/Multi-beam or Girder | 68 ft | 31,337 | Good |
| Nj Tpk Sno Roadway over Westons Mill Pond No. M08076N | 2.5 MI South of Int 9 | 1990 | Stringer/Multi-beam or Girder | 40 ft | 31,337 | Good |
| Nj Tpk Sno Roadway over Tices Lane No. M08158N | 1.5 MI South of Int 9 | 1990 | Stringer/Multi-beam or Girder | 103 ft | 31,337 | Fair |
| Nj Tpk Sno Roadway over Sawmill Brook No. M08166N | 1.4 MI South of Int 9 | 1990 | Stringer/Multi-beam or Girder | 76 ft | 31,337 | Fair |
| Landing Lane CR609 over Raritan River No. 123B170 | 0.06 M North of CR 672 | 1895 | Stringer/Multi-beam or Girder | 359 ft | 30,902 | Fair |
| Nj 35-AMBOY Avenue over Nj Turnpike No. M091890 | 1.65 MI E Rt 444 & Nj Tpk | 1950 | Stringer/Multi-beam or Girder | 350 ft | 30,884 | Fair |
| Ramp Wk over Nj 440 & Ramp Et No. 1234154 | 1.59 MI West of G.S.P. | 1970 | Stringer/Multi-beam or Girder | 225 ft | 30,776 | Fair |
| Int 8A Ramp St/Tn over Nj Tpk Nso-Nsi Sni Sno* No. M07389A | At Int 8A | 1990 | Stringer/Multi-beam or Girder | 527 ft | 30,500 | Fair |
| Stelton RD(CR.529) over I-287 No. 1231160 | 0.53 MI S of I-287 Exit 6 | 1962 | Stringer/Multi-beam or Girder | 304 ft | 30,481 | Fair |
| Nj 184 over US 9 No. 1241150 | At JCT of Nj 184 & US 9 | 1938 | Stringer/Multi-beam or Girder | 103 ft | 29,667 | Fair |
| CR 516(MATAWAN Rd) over Nj 18 No. 1211152 | 3.01 MI W. of US-9 | 1960 | Stringer/Multi-beam or Girder | 185 ft | 29,033 | Fair |
| Landing Lane (609) over Mile Run Brook No. 123B168 | 0.7 Mi. S. of N.J. 18 | 1966 | Culvert | 34 ft | 28,670 | Fair |
| Sno Roadway over Hightstown-Cranbury Road No. M06985N | 2.1 MI North of Exit 8 | 2013 | Stringer/Multi-beam or Girder | 253 ft | 28,397 | Good |
Structure types in Middlesex County
| Stringer/Multi-beam or Girder | 350 | 62.2% |
| Culvert | 67 | 11.9% |
| Box Beam or Girders - Multiple | 51 | 9.1% |
| Girder and Floorbeam System | 28 | 5.0% |
| Slab | 28 | 5.0% |
| Frame | 14 | 2.5% |
| Arch - Deck | 12 | 2.1% |
| Box Beam or Girders - Single or Spread | 6 | 1.1% |
| Truss - Thru | 3 | 0.5% |
| Tee Beam | 2 | 0.4% |
| Movable - Bascule | 1 | 0.2% |
| Segmental Box Girder | 1 | 0.2% |
Other counties in New Jersey
- Atlantic County 207
- Bergen County 577
- Burlington County 355
- Camden County 261
- Cape May County 74
- Cumberland County 102
- Essex County 505
- Gloucester County 243
- Hudson County 202
- Hunterdon County 373
- Mercer County 413
- Monmouth County 508
- Morris County 509
- Ocean County 240
- Passaic County 333
- Salem County 114
- Somerset County 397
- Sussex County 172
- Union County 409
- Warren County 268