US Bridges

Merrimack County, New Hampshire bridges

Merrimack County has 326 bridges and culverts in the National Bridge Inventory, the oldest built in 1840. 27 (8%) are rated poor. The most common type is stringer/multi-beam or girder (61%).

Bridges
326
Good
45%
Fair
47%
Poor
8%
27 bridges
Average age
58.9 yrs
Posted or closed
15

Map of bridges in Merrimack County

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

Search bridges in Merrimack County

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

Condition

8%poor
Good45%(146)
Fair47%(153)
Poor8%(27)

When they were built

<1900: 5 bridges5<19001900s: 2 bridges219001910s: 3 bridges319101920s: 9 bridges919201930s: 32 bridges3219301940s: 15 bridges1519401950s: 71 bridges7119501960s: 70 bridges7019601970s: 29 bridges2919701980s: 29 bridges2919801990s: 12 bridges1219902000s: 23 bridges2320002010s: 20 bridges2020102020s: 6 bridges62020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. I-93 Fee Tpk Ramp over Hackett Hill Road
    86,013 vehicles/day
    Fair
  2. I-93 Fee Tpk over Cross Road
    82,029 vehicles/day
    Fair
  3. I-93 Fee Tpk over Ramp A-B
    79,640 vehicles/day
    Fair
  4. I-93 Fee Tpk over Dow Road
    78,501 vehicles/day
    Fair
  5. I-93 Fee Tpk over Robinson Road
    78,501 vehicles/day
    Fair

Longest

  1. US 3 over Merrimack River
    697 ft
    Fair
  2. Main Street over Merrimack River CSX RD
    675 ft
    Good
  3. US 4 over Merrimack River
    593 ft
    Good
  4. I-393 US 4 US202 over Merrimack River
    525 ft
    Fair
  5. Nh 9(LOUDON Road) over Merrimack River
    525 ft
    Poor

Oldest

  1. New Market Road over Warner River
    Built 1840
    Fair
  2. W Hopkinton Road over Contoocook River
    Built 1853
    Fair
  3. Joppa Road West over Warner River
    Built 1853
    Fair
  4. Bradford Center RD over W Br Warner River
    Built 1854
    Good
  5. Bridge Road over Blackwater River
    Built 1882
    Poor

All bridges in Merrimack County

Busiest first · showing 1–200 of 326
Bridges in Merrimack County
BridgeLocationBuiltTypeLengthDaily trafficCondition
I-93 Fee Tpk Ramp over Hackett Hill Road
No. 012800710013400
2.5 MI N. Manchester T.L1978Stringer/Multi-beam or Girder69 ft86,013Fair
I-93 Fee Tpk over Cross Road
No. 012800710011400
2.2 MI No. Manchester Tl1956Frame33 ft82,029Fair
I-93 Fee Tpk over Ramp A-B
No. 012800710013800
2.7 MI No Manchester Tl1957Frame47 ft79,640Fair
I-93 Fee Tpk over Dow Road
No. 002701580013700
1.7 MI JCT I-891957Culvert30 ft78,501Fair
I-93 Fee Tpk over Robinson Road
No. 002701680012000
2.6 MI JCT Rt 891957Frame33 ft78,501Fair
I-93 Fee Tpk over US 3 Manchester Street
No. 005201840010300
1.2 MI No of JCT Rt 3-A2000Stringer/Multi-beam or Girder241 ft75,054Good
I-93 Fee Tpk over Nh 9 Loudon Road
No. 005201630010600
1.6 MI N JCT RTE 31966Stringer/Multi-beam or Girder86 ft72,557Fair
I-89 over South Street
No. 002701320016000
Bow Interchange1959Frame55 ft46,612Poor
US202 over Nhrr Constitution Av.
No. 005201500010700
.1 MI West JCT I-931958Stringer/Multi-beam or Girder156 ft45,555Poor
US202 over CSX
No. 005201520010400
.1 Mi. West of JCT I-931949Stringer/Multi-beam or Girder141 ft45,555Fair
I-93 Fee Tpk NB over CSX
No. 005202030009000
.2MINJCT RT3-A1957Stringer/Multi-beam or Girder191 ft43,056Fair
I-393 US 4 US202 over Fort Eddy RD
No. 005201540012100
0.2MI E JCT I-931980Stringer/Multi-beam or Girder70 ft40,527Poor
I-393 US 4 US202 over Merrimack River
No. 005201540012300
0.6 MI East of JCT I-931978Stringer/Multi-beam or Girder525 ft40,527Fair
I-93 Fee Tpk SB over CSX
No. 005202030008900
.2 MI N of JCT Rt 3-A1957Stringer/Multi-beam or Girder191 ft38,086Fair
I-93 Fee Tpk NB over Hall Street
No. 005202010009700
.5 MI from JCT 3-A1958Stringer/Multi-beam or Girder161 ft37,766Fair
I-93 Fee Tpk SB over Hall Street
No. 005202010009600
.5 MI from JCT 3-A1958Stringer/Multi-beam or Girder166 ft37,288Fair
I-93 Fee Tpk SB over I-89 Turkey River Ped
No. 002701350015800
Bow Interchange2014Stringer/Multi-beam or Girder263 ft35,573Good
I-93 Fee Tpk NB over I-89 Turkey River
No. 002701360015800
Bow Interchange.2014Stringer/Multi-beam or Girder263 ft34,805Good
I-93 NB over US 3 Nh 28
No. 012800960004900
0.2 MI Manchester Tl1976Stringer/Multi-beam or Girder148 ft34,221Good
I-93 SB over US 3 Nh 28
No. 012800950004800
0.2 MI Manchester Tl1976Stringer/Multi-beam or Girder149 ft34,000Good
I-93 over Williams Brook
No. 019600990013100
4.19MI Canterbury Tl1960Culvert23 ft30,961Fair
I-89(RAMP A) over Turkey River
No. 002701350016100
Bow Interchange1959Frame33 ft30,513Fair
I-93 SB over Nh 3A
No. 012800750007900
1.0 MI N Manchester Cl1976Stringer/Multi-beam or Girder140 ft29,141Good
US 3 over Merrimack River
No. 005201850010400
0.1 MI East JCT I-931998Stringer/Multi-beam or Girder697 ft26,707Fair
I-93 US 4 NB over Merrimack River
No. 005201360011700
1.5 MI N. Jct. RT.31959Girder and Floorbeam System524 ft25,855Fair
I-93 US 4 SB over Merrimack River
No. 005201360011600
1.5 MI N. JCT RT31959Girder and Floorbeam System524 ft25,801Fair
I-93 NB over Nh 3A
No. 012800760007900
1.0 MI N Manchester Cl1976Stringer/Multi-beam or Girder140 ft25,712Fair
Nh 9(LOUDON Road) over Merrimack River
No. 005201630011100
0.1 MI East JCT I-931966Stringer/Multi-beam or Girder525 ft23,721Poor
I-93 US 4 SB over Sewalls Falls Road
No. 005200680012100
1.4MI So of JCT Rt 3 Byp.1959Frame41 ft23,705Good
I-93 US 4 NB over Sewalls Falls Road
No. 005200680012200
1.4 Mi. S. Jct. Rt 3 Byp.1959Frame41 ft23,491Good
I-93 NB C-D Road over I-89 Turkey River Ped
No. 002701360016100
At Bow Interchange1978Stringer/Multi-beam or Girder245 ft22,560Good
I-89 SB over Nh 13
No. 005201810005500
1.4 MI NW of Bow Tl1959Stringer/Multi-beam or Girder147 ft22,511Good
I-393 US 4 US202 over I-93
No. 005201520010800
0.4 Mi. E. JCT US 31958Stringer/Multi-beam or Girder167 ft22,391Poor
I-93 SB over I-293 Fee Tpk
No. 012800670009000
At JCT With Feet1977Stringer/Multi-beam or Girder326 ft21,233Good
I-89 SB over Turkey Pond
No. 005201650002900
1.5 MI NW JCT Rt 131959Stringer/Multi-beam or Girder240 ft20,703Poor
US 3 Water ST over CSX
No. 005201800010000
0.3 MI West of JCT I-932000Stringer/Multi-beam or Girder233 ft20,544Good
I-89 SB over Silk Farm Road
No. 005201750005100
.5 MI N. of Jct. Rt. 131959Stringer/Multi-beam or Girder169 ft20,412Good
I-89 NB over Turkey Pond
No. 005201660002900
1.5 MI NW of JCT Rt 131959Stringer/Multi-beam or Girder240 ft20,387Poor
I-89 SB over Stickney Hill Road
No. 005201630002400
1.7 MI NW JCT Rt 131959Stringer/Multi-beam or Girder50 ft20,345Fair
I-89 NB over Silk Farm Road
No. 005201760005100
.5 MI NW of JCT Rt 131959Stringer/Multi-beam or Girder169 ft20,036Good
I-89 NB over Nh 13
No. 005201820005500
1.4 MI NW of Bow T.L.1959Stringer/Multi-beam or Girder147 ft20,036Good
I-89 NB over Stickney Hill Road
No. 005201640002400
1.7 MI NW JCT RTE 131959Stringer/Multi-beam or Girder50 ft20,003Fair
Nh 9(LOUDON Rd) over Storrs Street CSX
No. 005201600010300
.1 MI West of JCT I-931970Stringer/Multi-beam or Girder195 ft19,639Good
I-93 NB over West Road
No. 003800810008200
3.1 MI No. Concord T.L.1960Frame38 ft19,156Good
I-89 SB over I-89 Ramp
No. 012901410007300
2.0 MI West Concord Tl1959Stringer/Multi-beam or Girder148 ft18,981Good
I-93 SB over West Road
No. 003800800008200
3.1 MI No. Concord T.L.1960Frame38 ft18,806Good
I-89 NB over I-89 Ramp
No. 012901420007300
2.1 MI West of Concord Tl1959Stringer/Multi-beam or Girder148 ft18,311Good
I-93 NB over NH132
No. 019600960011400
2.5MI S. Tilton T.L.1959Stringer/Multi-beam or Girder165 ft18,247Good
I-93 SB over NH132
No. 019600950011400
2.5MI S. Tilton Tl1959Stringer/Multi-beam or Girder185 ft17,906Fair
US202 Nh 9 over Contoocook River
No. 012900490009600
0.2 MI East Henniker T/L1961Stringer/Multi-beam or Girder314 ft17,117Fair
US202 Nh 9 over Hatfield Road
No. 012900560009300
.7 MI East Henniker T.L.1961Stringer/Multi-beam or Girder113 ft17,117Fair
US202 Nh 9 over Elm Brook
No. 012900860008400
2.4 MI E. Henniker T.L.1961Stringer/Multi-beam or Girder315 ft17,117Fair
US 4 US202 Nh 9 over Suncook River
No. 007900860012700
.3 MI East JCT Rt 281971Stringer/Multi-beam or Girder84 ft17,061Good
US 4 US202 Nh 9 over Suncook River Overflow
No. 007900880012600
.4 MI East Jct. Rt 281996Stringer/Multi-beam or Girder101 ft17,061Good
I-393 US 4 US202W over Portsmouth Street
No. 005201530014900
0.7 MI E Eastside Drive1978Stringer/Multi-beam or Girder131 ft16,864Good
US 3 Nh 28 over Heads Pond
No. 012801000016600
0.7 MI S of Allenstown Tl1981Culvert23 ft16,478Fair
I-393 US 4 US202E over Portsmouth Street
No. 005201540015000
0.7 MI E Eastside Drive1978Stringer/Multi-beam or Girder131 ft16,231Good
US202 Nh 9 over Rush Road
No. 012001250012500
.5 MI E. Jct. Rt 1141962Stringer/Multi-beam or Girder112 ft15,806Good
US202 Nh 9 over Amey Brook
No. 012001310012400
.4 MI East JCT Rt 1141962Stringer/Multi-beam or Girder158 ft15,806Fair
Main Street over Merrimack River CSX RD
No. 012800800014800
0.7 MI N JCT US 31976Stringer/Multi-beam or Girder675 ft15,760Good
I-93 NB over NH132
No. 019601000013000
1.7MI S Tilton Tl1959Stringer/Multi-beam or Girder144 ft15,544Good
I-93 NB over Bay Street
No. 019601090014000
1.7 MI S. Tilton Tl1960Stringer/Multi-beam or Girder101 ft15,544Good
I-93 NB over Nhrr Winnipesaukee River
No. 019601180015800
Tilton Tl1960Stringer/Multi-beam or Girder333 ft15,544Good
I-93 SB over NH132
No. 019600990013000
1.7MI S of Tilton Tl1959Stringer/Multi-beam or Girder144 ft15,417Good
I-93 SB over Bay Street
No. 019601080014100
1.7MI S. Tilton T.L.1960Stringer/Multi-beam or Girder101 ft15,417Good
I-93 SB over Nhrr Winnipesaukee River
No. 019601170015700
Tilton Tl1960Stringer/Multi-beam or Girder342 ft15,417Good
US 4 over River Road Bmrr(abd)
No. 002601390004000
0.4MI from Concord Tl1958Stringer/Multi-beam or Girder244 ft15,071Fair
US 4 over Merrimack River
No. 002601420003800
Canterbury T.L.2005Stringer/Multi-beam or Girder593 ft15,071Good
NH106 over Soucook River
No. 015500560006300
1.3 MI from Concord Tl1977Stringer/Multi-beam or Girder152 ft14,723Good
US202 Nh 9 over Liberty Hill Road
No. 012001010011600
2.86 MI from Hillsboro Tl1974Frame78 ft14,456Good
NH106 over I-393 US 4 US202
No. 005201640016700
.4 MI W Pembrook Tl1988Stringer/Multi-beam or Girder195 ft14,339Good
US 3 Nh 11 over Winnipesaukee River
No. 008801640012100
5.2MI from Franklin T.L.1940Stringer/Multi-beam or Girder69 ft14,205Fair
Nh 3A over I-93 Fee Tpk
No. 005202030008800
0.3 MI N of Bow Tl2015Stringer/Multi-beam or Girder193 ft13,754Good
I-89 NB over NH103
No. 026301640010400
6.3 MI from Hopkinton Tl1968Stringer/Multi-beam or Girder90 ft13,642Fair
I-89 SB over Warner River
No. 026301660010300
6.2MI Hopkinton T.L.1966Stringer/Multi-beam or Girder191 ft13,402Fair
NH106 over Shaker Brook
No. 015501000011400
4.0 MI N Concord Tl1951Culvert31 ft13,249Fair
US 3 over Soucook River
No. 005202150012400
Pembroke T.L.1953Stringer/Multi-beam or Girder150 ft13,115Good
US 3 Nh 11 over Winnipesaukee River
No. 008801590011700
4.8MI from Franklin T.L.1922Stringer/Multi-beam or Girder145 ft12,980Fair
I-89 SB over US202 Nh 9
No. 012901100008100
1.9 MI S. of JCT Rt 1271959Stringer/Multi-beam or Girder49 ft12,978Fair
US 3 Nh 11 NH127 over Pemigewasset River
No. 008801530011000
2.0 MI from Tilton T/L1994Stringer/Multi-beam or Girder406 ft12,379Good
I-89 SB over US202 Nh 9 WB
No. 012901130007900
1.9 MI E. JCT Rt 1271959Stringer/Multi-beam or Girder80 ft12,219Fair
I-89(SB Ramp) over US202 Nh 9 EB
No. 012901080007800
1.9 MI E JCT Rt 1271959Stringer/Multi-beam or Girder65 ft12,133Fair
NH106 over Soucook River
No. 015500740008600
2.6 MI from Concord Tl1977Stringer/Multi-beam or Girder182 ft12,131Good
I-89 NB over US202 Nh 9
No. 012901110008200
1.9 So JCT Rt 1271959Stringer/Multi-beam or Girder52 ft12,106Fair
US 4 over Nhrr
No. 005200410012100
.1 MI from Jct. I-931958Stringer/Multi-beam or Girder95 ft11,598Fair
US 4 Wb(hoit Rd) over I-93 US 4 WB
No. 005200410012300
.6 MI East Canterbury Tl1958Stringer/Multi-beam or Girder255 ft11,598Fair
I-89 NB over Pine Street
No. 012900910014300
3.2 MI East of Warner T.L1967Stringer/Multi-beam or Girder114 ft11,594Good
I-89 NB over Contoocook River
No. 012900930013800
1.2 MI N.W. JCT 1271967Stringer/Multi-beam or Girder228 ft11,594Good
I-89 SB over Pine Street
No. 012900900014300
3.2 MI E. of Warner T.L.1959Stringer/Multi-beam or Girder113 ft11,574Fair
I-89 SB over Contoocook River
No. 012900920013800
1.2 MI N.W. JCT Rt 1271959Stringer/Multi-beam or Girder242 ft11,574Fair
I-89 SB over Warner River
No. 026302060014100
3.3 MI Hopkinton T.L.1966Stringer/Multi-beam or Girder166 ft11,491Fair
I-89 NB over Warner River
No. 026301660010400
6.2 MI Hopkinton Tl1966Stringer/Multi-beam or Girder161 ft10,883Fair
I-89 NB over North Village Road
No. 026301840011300
5.2 MI Hopkinton T.L.1966Stringer/Multi-beam or Girder58 ft10,883Good
I-89 NB over West Joppa Road
No. 026301950012200
4.4 MI Hopkinton T.L.1966Frame40 ft10,883Good
I-89 NB over Warner River
No. 026301990012800
4.1 MI Hopkinton T.L.1966Stringer/Multi-beam or Girder197 ft10,883Fair
I-89 SB over NH103
No. 026301640010300
6.3 MI Hopkinton Tl1968Stringer/Multi-beam or Girder90 ft10,849Fair
I-89 SB over North Village Road
No. 026301850011200
5.2 MI Hopkinton T.L.1966Stringer/Multi-beam or Girder66 ft10,849Fair
I-89 SB over West Joppa Road
No. 026301960012100
4.5 MI Hopkinton Tl1966Frame40 ft10,849Good
I-89 SB over Warner River
No. 026302430016600
1.0 MI Hopkinton Tl1966Stringer/Multi-beam or Girder159 ft10,586Fair
I-89 SB over NH103
No. 026302550016300
0.4 MI Hopkinton T.L.1966Frame59 ft10,586Good
I-89 NB over Warner River
No. 026302440016700
1.0 MI Hopkinton T.L.1966Stringer/Multi-beam or Girder159 ft10,232Fair
I-89 NB over NH103
No. 026302550016400
0.5 MI Hopkinton T.L.1966Frame58 ft10,232Good
Nh 13 over Turkey River
No. 005201800006300
2.75MI E Bow Tl1960Culvert23 ft10,111Fair
I-89 SB over Nh 11
No. 018800670010100
3.9 MI from Sutton T.L.1967Stringer/Multi-beam or Girder84 ft9,810Fair
I-89 SB over Columbus Avenue
No. 018800790008400
2.9 MI Sutton T.L1967Stringer/Multi-beam or Girder69 ft9,810Good
I-89 SB over Bog Road
No. 018801030006400
1.4 MI Fromsutton Tl1967Stringer/Multi-beam or Girder185 ft9,810Fair
I-89 NB over Nh 11
No. 018800680010200
4.0 MI from Sutton Tl1967Stringer/Multi-beam or Girder84 ft9,751Fair
I-89 NB over Columbus Avenue
No. 018800800008500
2.9 MI from Sutton T.L.1967Stringer/Multi-beam or Girder69 ft9,751Fair
I-89 NB over County Road
No. 018800880007600
2.2 MI from Sutton T.L.1967Frame54 ft9,751Good
I-89 NB over Bog Road
No. 018801030006500
1.4 MI from Sutton Tl1967Stringer/Multi-beam or Girder185 ft9,751Fair
NH106 over Soucook River
No. 005201980014600
Pembroke Tl1996Stringer/Multi-beam or Girder116 ft9,638Good
NH106 over Soucook River
No. 003802360015600
Canterbury-Loudon Tl1952Slab22 ft9,549Fair
I-89 NB over Gile Pond Road
No. 025001300011700
3.7MI New London T.L.1967Frame58 ft9,459Good
I-89 NB over Stevens Brook Road
No. 025001910005800
0.2MI Warner T.L.1967Frame42 ft9,459Fair
I-89 SB over Gile Pond Road
No. 025001290011600
3.8MI New London T.L.1967Frame57 ft9,452Fair
I-89 SB over Stevens Brook Road
No. 025001920005700
0.2MI Warner T.L.1967Frame40 ft9,452Fair
I-89 SB over Otterville Road
No. 018800660010500
4.4 MI from Sutton Tl1967Stringer/Multi-beam or Girder75 ft9,402Fair
I-89 NB over King Hill Road
No. 018801240005900
0.3 MI from Sutton Tl1967Stringer/Multi-beam or Girder88 ft9,399Fair
I-89 NB over North Hominy Pot RD
No. 025000850016100
0.5MI from New London Tl1967Stringer/Multi-beam or Girder50 ft9,399Fair
I-89 NB over NH114
No. 025001090014500
1.9MI New London T.L.1967Stringer/Multi-beam or Girder121 ft9,399Fair
I-89 SB over King Hill Road
No. 018801240005800
.3 MI from Sutton Tl1967Stringer/Multi-beam or Girder88 ft9,388Fair
I-89 SB over North Hominy Pot RD
No. 025000840016000
0.6MI from New London Tl.1967Stringer/Multi-beam or Girder49 ft9,388Fair
I-89 SB over NH114
No. 025001090014400
2.0MI New London T.L.1967Stringer/Multi-beam or Girder121 ft9,388Fair
NH132(EASTSIDE Dr) over I-393 US 4 US202
No. 005201560013800
1.4 MI East of JCT I-931978Frame295 ft9,347Fair
US 3 over Suncook River Buck ST
No. 000400680005500
Pembroke-Allenstown Tl2007Truss - Deck440 ft9,285Good
I-89 NB over Otterville Road
No. 018800670010500
4.0 MI from Sutton T.L.1967Stringer/Multi-beam or Girder88 ft9,237Fair
NH140 over Tioga River
No. 019601520015000
0.1 MI W Belmont Tl1968Culvert41 ft9,196Good
I-89(RAMP D) over Turkey River
No. 002701350016200
Bow Interchange1987Stringer/Multi-beam or Girder75 ft8,925Good
I-393 US 4 US202E over Soucook River
No. 005201620018400
Concord Pembrook Tl1988Stringer/Multi-beam or Girder411 ft8,857Good
I-393 US 4 US202E over Horse Corner Road
No. 020600510008100
0.01 MI W Nh 91988Stringer/Multi-beam or Girder71 ft8,592Good
Nh 9 over Soucook River
No. 005201600018800
Pembroke Tl1936Tee Beam178 ft8,465Fair
Nh 9 over I-393 US 4 US202
No. 005201650017700
.2 MI W Pembrook Tl1988Stringer/Multi-beam or Girder302 ft8,465Good
I-393 US 4 US202W over Soucook River
No. 005201610018400
Concord Pembrook Tl1988Stringer/Multi-beam or Girder396 ft8,164Good
I-393 US 4 US202W over Nh 9
No. 020600450008400
.5 MI E Concord Tl1988Stringer/Multi-beam or Girder161 ft8,164Good
I-393 US 4 US202W over Horse Corner Road
No. 020600500008100
0.01 MI W Nh 91988Stringer/Multi-beam or Girder71 ft8,164Good
Nh 28 over Suncook River
No. 000401070009800
At Pembroke Tl1958Stringer/Multi-beam or Girder218 ft7,989Good
Nh 13 over West Branch Bela Brook
No. 002700520014000
0.1 MI from Dunbarton Tl1940Stringer/Multi-beam or Girder31 ft7,414Good
NH103 over Stevens Brook
No. 026301650010600
.1 MI E JCT Rt 891966Frame32 ft7,253Good
NH103 NH127 over Contoocook River
No. 012901020014300
1.6 MI S Warner Tl1935Frame122 ft6,971Fair
I-93 SB US 4 Ramp over Nhrr
No. 005200420012100
0.1 MI S. Canterbury T/L1958Stringer/Multi-beam or Girder127 ft6,898Fair
Tremont Street over Contoocook River
No. 002601310003500
Concord Tl1955Stringer/Multi-beam or Girder269 ft6,767Fair
US 3 over Nhrr(abd)
No. 008801620009900
3.2 MI Franklin Tl1955Frame31 ft6,534Good
Nh 11 over Blackwater River
No. 000800500009300
0.7 MI from Wilmot T.L.1959Stringer/Multi-beam or Girder124 ft5,615Good
Nh 11 over Nhrr(abd)
No. 000800570010300
1.4 Miles from Wilmot T/L2010Culvert22 ft5,615Good
NH114 over US202 Nh 9
No. 012001180012400
3.05 MI from Warner T.L.1974Stringer/Multi-beam or Girder161 ft5,492Fair
US 4 Nh 11 over Ragged Mountain Brook
No. 000800710010400
1.9 MI from Wilmot T.L.1959Frame25 ft5,149Good
Nh 11 over Pleasant Stream
No. 000800440008800
.3 MI from Wilmot T.L.1959Stringer/Multi-beam or Girder104 ft5,115Fair
Nh 11 over Cascade Brook
No. 027502010011500
1.7 MI from New London Tl1960Stringer/Multi-beam or Girder53 ft5,115Fair
NH103 over Andrew Brook
No. 018001320007400
2.1 MI from Bradford T.L.1962Frame39 ft5,102Fair
NH132 over Winnipesaukee River
No. 019600970014700
Northfield-Tilton Tl1960Stringer/Multi-beam or Girder95 ft4,904Good
NH132 over Williams Brook
No. 019600980013100
0.8 MI Tilton Tl1960Culvert21 ft4,841Good
NH103 over Andrew Brook
No. 018001040009200
3.8 MI from Bradford Tl1937Slab29 ft4,837Fair
US 3 Village ST over Contoocook River
No. 005200400009000
0.1 MI S of Boscawen Tl1984Stringer/Multi-beam or Girder195 ft4,813Good
NH114 over Contoocook River
No. 012001200011200
0.1 MI S of JCT RTE 2021939Arch - Deck118 ft4,746Fair
NH103 over Lake Todd Outlet
No. 002801270015800
0.1 MI from Newbury Tl1967Stringer/Multi-beam or Girder70 ft4,633Fair
West Portsmouth ST over I-93 US 4
No. 005201250011800
1.4 MI N. JCT 1322000Stringer/Multi-beam or Girder259 ft4,541Fair
Main Street over Suncook River
No. 021200900010400
1.3 MI N Chichester Tl1942Arch - Deck73 ft4,409Fair
North Pembroke RD over Soucook River
No. 005201830015600
At Pembroke Tl1959Box Beam or Girders - Multiple121 ft4,050Good
NH114 over Warner River
No. 002801460014000
3.8 MI from Warner Tl1948Stringer/Multi-beam or Girder87 ft4,002Fair
NH114 over Amey Brook
No. 012000990015600
1.17 M. SE Warner Tl1951Slab22 ft3,928Good
I-89(RAMP F) over Turkey River
No. 002701300016100
Bow Interchange1959Stringer/Multi-beam or Girder68 ft3,904Fair
NH127 over I-89
No. 012901000011400
1.9 MI N JCT US2021994Stringer/Multi-beam or Girder262 ft3,866Fair
NH103 over Warner River
No. 026301440005600
Sutton Tl1936Girder and Floorbeam System81 ft3,778Fair
NH103 over Warner River
No. 026301450005300
0.1 MI from JCT I-891936Girder and Floorbeam System81 ft3,778Fair
Sewalls Falls Road over Merrimack River
No. 005200700011700
0.3 MI JCT RTE 1322016Stringer/Multi-beam or Girder407 ft3,708Good
I-93 SB on Ramp over Nhrr Constitution Av.
No. 005201520010700
0.1 MI West of JCT I-931949Stringer/Multi-beam or Girder132 ft3,658Fair
Main Street over Suncook River
No. 020602030008800
Allenstown Tl2005Stringer/Multi-beam or Girder125 ft3,640Good
NH127 over Tail Race
No. 012900590011100
1.1 Mile N JCT US202 Nh 91900Culvert26 ft3,434Fair
NH127 over Spillway Channel
No. 012900890011400
2.77 MI JCT US 2021961Stringer/Multi-beam or Girder276 ft3,434Fair
NH107 over Griffin Brook
No. 007901600011100
Deerfield Tl2010Slab24 ft3,391Good
South Village Road over Soucook River
No. 015500690008400
2.6 MI from Concord Tl1926Tee Beam42 ft3,138Fair
Nh 11 over Elbow Brook
No. 000801290010100
5.8 MI from Franklin Tl1934Frame25 ft2,944Fair
NH104 over Smith River
No. 005801390014500
1.0 MI from Hill Tl1940Girder and Floorbeam System106 ft2,913Poor
NH104 over Bog Pond Brook
No. 005801520012800
2.4 MI SW Hill Tl1930Culvert20 ft2,913Fair
NH107 over Suncook River
No. 021200970010800
5.4 MI from Northwood Tl1997Frame81 ft2,901Good
Deerfield Road over Bear Brook
No. 000401290010300
1.3 MI NE JCT 281980Culvert20 ft2,759Fair
Nh 11 over Nhrr(abd)
No. 000802060013700
0.6 MI from Franklin Tl1929Stringer/Multi-beam or Girder179 ft2,674Poor
Nh 11 over Sucker Brook
No. 000802080013700
0.4 MI from Franklin T.L.1929Culvert28 ft2,674Poor
Nh 11 over Sucker Brook
No. 000802120013800
.3 MI from Franklin T.L.1929Culvert28 ft2,674Poor
Nh 3A over Needle Shop Brook
No. 012301570010800
1.4 MI from Franklin1940Frame26 ft2,664Fair
US 4 over Blackwater River
No. 000801430007700
0.3 MI from Salisbury Tl1933Girder and Floorbeam System75 ft2,652Poor
Donati Drive over I-93
No. 012800920005900
0.1 MI Manchester Cl1976Stringer/Multi-beam or Girder256 ft2,620Fair
Horse Hill Road over Contoocook River
No. 005200690005200
220 Feet from Bog RD1981Stringer/Multi-beam or Girder270 ft2,615Fair
US202 Nh 9 over Ash Brook
No. 005201470002800
1 MI from Currier RD1970Culvert30 ft2,610Poor
Cross Mill Road over Winnipesaukee River
No. 008801840012700
At Northfield-Franklin T1988Stringer/Multi-beam or Girder187 ft2,602Good
Washington Street over Mill Outlet
No. 005200450008500
0.4MI. US31988Stringer/Multi-beam or Girder72 ft2,533Good
Washington Street over Canal Inlet
No. 005200480008200
0.6 MI FR US 31975Stringer/Multi-beam or Girder76 ft2,533Fair
US 4 over Nhrr(abd)
No. 005801560010300
3.7 MI from Wilmot Tl2023Stringer/Multi-beam or Girder75 ft2,503Good
US 4 over Nhrr(abd)
No. 005801780009100
2.4 MI from Wilmot Tl1937Girder and Floorbeam System104 ft2,503Fair
Sargent Road over Williams Brook
No. 019600870013300
190 Ft FR Zion Hill RD1985Box Beam or Girders - Multiple45 ft2,425Good
Pine Street over I-93 Fee Tpk
No. 012800690016200
.5 MI So. Bow Tl1978Stringer/Multi-beam or Girder273 ft2,263Fair
US 4 over Nhrr(abd)
No. 000801180009500
0.075 MI W.Of Rte. 111959Stringer/Multi-beam or Girder130 ft2,172Fair
US 4 over Blackwater River
No. 000801200009200
1.7 MI from Salisbury Tl1933Tee Beam63 ft2,172Fair
Dunklee Road over Bow Bog Brook
No. 002701820011300
0.16 MI from RTE 3-A2006Culvert22 ft2,172Good
Black Hall Road over Little Suncook River
No. 007900970012200
.09 MI SW JCT US41924Stringer/Multi-beam or Girder41 ft2,133Fair
US 4 over Smith River
No. 005801380009400
4.6 MI from Wilmot Tl1929Girder and Floorbeam System70 ft2,087Poor
Concord Road over Amey Brook
No. 012001490011100
2.2 MI FR Hopkinton Tl1938Stringer/Multi-beam or Girder84 ft1,984Good
Jewett Road over I-89
No. 012901480007000
1.8 MI E JCT 2021959Stringer/Multi-beam or Girder272 ft1,716Fair
Chichester Road over Bee Hole Brook
No. 015500610004400
0.4 MI S Chichester Tl2006Culvert22 ft1,714Good
East Penacook Road over Blackwater River
No. 012901340016600
1.4 MI FR Concord Tl1967Stringer/Multi-beam or Girder104 ft1,664Fair

Structure types in Merrimack County

Stringer/Multi-beam or Girder19961.0%
Frame3711.3%
Culvert309.2%
Slab298.9%
Girder and Floorbeam System92.8%
Truss - Thru72.1%
Box Beam or Girders - Multiple61.8%
Tee Beam41.2%
Arch - Deck30.9%
Truss - Deck10.3%
Other10.3%

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