US Bridges

Belknap County, New Hampshire bridges

Belknap County has 112 bridges and culverts in the National Bridge Inventory, the oldest built in 1900. 5 (4%) are rated poor. The most common type is stringer/multi-beam or girder (44%).

Bridges
112
Good
58%
Fair
38%
Poor
4%
5 bridges
Average age
54.9 yrs
Posted or closed
1

Map of bridges in Belknap County

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

Search bridges in Belknap County

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

Condition

4%poor
Good58%(65)
Fair38%(42)
Poor4%(5)

When they were built

<1900: 0 bridges<19001900s: 3 bridges319001910s: 0 bridges19101920s: 8 bridges819201930s: 9 bridges919301940s: 8 bridges819401950s: 3 bridges319501960s: 33 bridges3319601970s: 8 bridges819701980s: 9 bridges919801990s: 6 bridges619902000s: 9 bridges920002010s: 9 bridges920102020s: 7 bridges72020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. US 3 Nh 11 NH132 over I-93
    23,105 vehicles/day
    Good
  2. US 3 Nh 11 NH132 over Gulf Brook
    23,105 vehicles/day
    Fair
  3. I-93 SB over NH104 NH132
    19,812 vehicles/day
    Fair
  4. NH106 Main ST over Winnipesaukee River
    18,507 vehicles/day
    Fair
  5. US 3 over Maple ST Nhrr
    17,943 vehicles/day
    Good

Longest

  1. US 3 Nh 11 over Winnisquam Lake
    474 ft
    Good
  2. NH106 Main ST over Winnipesaukee River
    362 ft
    Fair
  3. Pinnacle Hill Road over I-93
    300 ft
    Fair
  4. US 3 Nh 11 NH132 over I-93
    257 ft
    Good
  5. Elm Street over Paugus Bay
    248 ft
    Good

Oldest

  1. Belknap Mt Road over Gunstock River
    Built 1900
    Good
  2. Brook Road over Salmon Brook
    Built 1900
    Poor
  3. Tilton Bridge Road over Salmon Brook
    Built 1900
    Good
  4. Coolidge Woods RD over Prescott Brook
    Built 1920
    Good
  5. Nh 11 over West Alton Brook
    Built 1923
    Fair

All bridges in Belknap County

Busiest first · showing 1–112 of 112
Bridges in Belknap County
BridgeLocationBuiltTypeLengthDaily trafficCondition
US 3 Nh 11 NH132 over I-93
No. 025601000006100
.1 MI Winnipesaukee River2000Stringer/Multi-beam or Girder257 ft23,105Good
US 3 Nh 11 NH132 over Gulf Brook
No. 025601050006700
3.3 MI NE Franklin Tl1936Culvert23 ft23,105Fair
I-93 SB over NH104 NH132
No. 018401370006000
1.05 MI N Meridith T.L.1963Stringer/Multi-beam or Girder147 ft19,812Fair
NH106 Main ST over Winnipesaukee River
No. 013901210004700
1.0 MI Belmont T.L.1970Stringer/Multi-beam or Girder362 ft18,507Fair
US 3 over Maple ST Nhrr
No. 016701840013800
2.3 MI from Laconia T.L.1947Tee Beam175 ft17,943Good
US 3 Nh 11 over Winnisquam Lake
No. 023102310007300
Sanbornton-Belmont Tl1973Stringer/Multi-beam or Girder474 ft16,322Good
I-93 NB over NH127
No. 023101250007500
2.2MI from Tilton-Sanborn1962Stringer/Multi-beam or Girder111 ft15,080Good
I-93 NB over NH132
No. 016700250010100
Sanbornton T.L.1963Stringer/Multi-beam or Girder160 ft14,262Fair
I-93 NB over NH104 NH132
No. 018401380006000
1.1 MI Meredith Tl1963Stringer/Multi-beam or Girder148 ft14,262Good
I-93 NB over Salmon Brook
No. 023101270009900
3.4 MI Tilton Tl1962Culvert28 ft14,262Fair
I-93 NB over Hale Road
No. 023101270012100
4.5 MI from Tilton Tl1963Stringer/Multi-beam or Girder40 ft14,262Good
US 3 Bus NH107 over Black Brook
No. 013901360009200
3.75 MI N Belmont Tl1975Slab23 ft14,252Fair
I-93 SB over NH132
No. 016700240010200
Sanbornton T.L.1963Stringer/Multi-beam or Girder160 ft14,217Fair
I-93 SB over NH127
No. 023101240007400
2.2MI from Tilton T.L.1962Stringer/Multi-beam or Girder111 ft14,217Good
I-93 SB over Salmon Brook
No. 023101240009600
3.3MI F. Tilton T.L.1962Culvert28 ft14,217Fair
I-93 SB over Hale Road
No. 023101260012100
4.5MI Tilton T.L.1963Stringer/Multi-beam or Girder40 ft14,217Good
I-93 SB over Old Nh 3B
No. 023101520003900
Tilton-Sanborton Tl1962Stringer/Multi-beam or Girder135 ft14,214Fair
I-93 NB over Old Nh 3B
No. 023101530004000
.09 MI Tilton T.L.1962Stringer/Multi-beam or Girder139 ft14,205Fair
US 3 Bus Nh 11A over Durkee Brook
No. 013901130003600
.4 MI N.E. Belmont T.L.2022Slab40 ft13,077Good
NH106 over US 3 Nh 11
No. 013901320002700
.4 MI Belmont Tl1964Frame61 ft11,620Good
I-93 SB over NH132
No. 018401470008200
3.0 MI from Meredith Tl1963Stringer/Multi-beam or Girder155 ft10,878Fair
I-93 SB over NH132
No. 018401860011900
5.2 MI Meredith Tl1964Stringer/Multi-beam or Girder129 ft10,878Fair
I-93 NB over NH132
No. 018401480008100
3.0 MI from Meredith Tl1963Stringer/Multi-beam or Girder163 ft10,875Good
I-93 NB over NH132
No. 018401860011800
5.2 MI Meredith Tl1964Stringer/Multi-beam or Girder129 ft10,875Fair
NH106 over Tioga River
No. 002001130008000
4.0 MI S Laconia Tl1934Tee Beam43 ft10,766Good
NH140 over Winnipesaukee River
No. 025601090006200
0.4 MI S JCT RTE 31968Stringer/Multi-beam or Girder132 ft10,736Good
US 3 Bus NH107 over Jewett Brook
No. 013901260005500
1.7 MI N. Belmont T.L.1979Slab22 ft10,681Fair
Nh 28 over Beauty Hill Road
No. 001400970008900
1.3 MI FR Pittsfield T.L.1969Stringer/Multi-beam or Girder66 ft10,520Good
Nh 11 over Merrymeeting River
No. 000601630018400
8.5 MI from Gilford Tl1934Frame35 ft10,346Poor
Elm Street over Winnipesaukee River
No. 025600860004300
Northfield Tl.1977Stringer/Multi-beam or Girder95 ft9,362Fair
US 3 Nh 11 over Nh 11A
No. 009101600005300
0.7 MI from Laconia Tl1965Stringer/Multi-beam or Girder81 ft9,349Fair
US 3 Nh 11 over Mile Hill Road
No. 013901210002800
0.5 MI from Belmont T.L.1967Stringer/Multi-beam or Girder66 ft8,856Fair
US 3 Nh 11 over NH107
No. 013901360002700
1.5 MI from Belmont T.L.1963Stringer/Multi-beam or Girder136 ft8,834Good
US 3 over Nhrr
No. 013901310015400
2.02 MI S. Meredith T/L1933Slab32 ft8,744Good
US 3 over Paugus Bay
No. 013901330015400
7.4 MI from Belmont Tl1933Arch - Deck90 ft8,744Fair
Nh 28 over Suncook River
No. 001401310010800
3.6 MI from Pittsfield Tl1957Stringer/Multi-beam or Girder64 ft8,548Fair
NH140 over Tioga River
No. 002001010006900
2.8 MI from Northfield Tl1965Slab35 ft7,514Fair
Nh 28 over Merrymeeting River
No. 000601860015500
4.7 MI from Barnstead Tl2009Slab43 ft7,487Good
Nh 28 over Coffin Brook
No. 000601900012100
3.0 MI N of Barnstead Tl1930Slab22 ft7,487Good
Nh 11 over Gunstock River
No. 009101020009900
2.6 MI NE Laconia Tl1958Frame23 ft7,313Good
Fair Street over Winnipesaukee River
No. 013901140004200
0.6 MI Belmont T.L.1972Stringer/Multi-beam or Girder184 ft6,347Good
Nh 11 over Bk Bay LA Winnipesaukee
No. 000601570019300
0.25 MI N Alton Bay1942Arch - Deck45 ft6,310Fair
Elm Street over Paugus Bay
No. 013901240007600
0.1 MI Union Ave2003Stringer/Multi-beam or Girder248 ft5,717Good
Messer Street over Winnipesaukee River
No. 013901220005800
1.0 Mi. JCT 1061980Stringer/Multi-beam or Girder115 ft5,542Good
Church Street over Winnipesaukee River
No. 013901230005200
1.4 MI from Belmont Tl1981Stringer/Multi-beam or Girder151 ft5,494Good
Nh 11A over Poor Farm Brook
No. 009101380013700
5.9 MI East Laconia Tl1936Tee Beam32 ft5,276Fair
Nh 11 over Poor Farm Brook
No. 009101150014700
1.7 MI S Alton Tl1966Box Beam or Girders - Multiple30 ft5,227Poor
Nh 11 over West Alton Brook
No. 000600960028700
1.9 MI SE Gilford Tl1923Stringer/Multi-beam or Girder22 ft5,130Fair
US 3 Nh 11 over US 3 Nh 11
No. 009101140006600
3.4 MI from Laconia T.L.1965Stringer/Multi-beam or Girder91 ft4,578Fair
Nh 11A over Gunstock River
No. 009101340009800
3.2 MI E Laconia Tl1926Slab31 ft4,557Fair
Meredith Center RD over Outlet Wickwas Pond
No. 016701310010500
1.3 MI NW Laconia Tl2019Stringer/Multi-beam or Girder63 ft4,230Good
Nh 11B over Gunstock River
No. 009100990009900
0.2 MI E Nh RTE 111970Frame32 ft3,736Good
NH126 over Suncook River
No. 001401280009000
3.5 MI from Strafford Tl1929Stringer/Multi-beam or Girder36 ft3,514Fair
NH126 over Big River
No. 001401300008400
3.5 MI from Strafford Tl1964Stringer/Multi-beam or Girder56 ft3,514Fair
Jamestown Road over Winnipesaukee River
No. 025601340009400
At Belmont Town Line1982Stringer/Multi-beam or Girder184 ft3,412Fair
Highland Street over Jewett Brook
No. 013901300005600
.08MIFRRTE 11A-GILFORDAVE1989Frame27 ft2,699Good
Nh 11B over Gunstock River
No. 009101210010200
0.6 MI N JCT Nh 11-A1941Slab25 ft2,690Poor
Nh 11B over Gunstock River
No. 009101260010100
0.3 MI N JCT Nh 11-A1931Stringer/Multi-beam or Girder26 ft2,690Fair
NH140 over Merrymeeting River
No. 000601710016200
3.1 MI from Gilmanton Tl1940Slab27 ft2,614Fair
Govnrs Island RD over Lake Winnipesaukee
No. 009100620007700
At Laconia/Gilford Tl1981Stringer/Multi-beam or Girder169 ft1,708Fair
Silver Lake Road over Hydro Canal
No. 025601330009400
.25 MI E of US Rte. 31984Frame32 ft1,706Good
School Street over Nhrr
No. 025600850004700
0.1 MI from US 31924Slab25 ft1,398Fair
Prescott Road over Salmon Brook
No. 023101100006500
250FT. Rte. 1271969Culvert25 ft1,287Fair
Crystal Lake Road over Suncook River
No. 009201490006100
0.4 MI NW JCT Town ROAD941929Frame25 ft1,261Fair
Stage Road over Suncook River
No. 009201440004700
Town Rd.1992Slab36 ft1,172Good
White Oaks Road over Suncook River
No. 001401060017700
0.3 MI FR Gilmanton Tl1986Stringer/Multi-beam or Girder76 ft1,167Good
Stage Road over Nighthawk Hollow Brook
No. 009201220004100
Town Rd.2021Slab59 ft1,167Good
Morrill Street over US 3 Nh 11 Bypass
No. 009101300006600
2.5 MI from Laconia Tl1965Frame59 ft1,011Good
Belknap Mt Road over Gunstock River
No. 009101410008900
100 South Nh 11-A1900Slab24 ft886Good
South Road over Whichier Brook
No. 002000650005800
6.7 MI from Laconia Tl1984Stringer/Multi-beam or Girder33 ft872Good
South Road over Belmont River
No. 002000660006600
6.2 MI from Laconia Tl1988Frame45 ft872Good
Stage Road over Brook
No. 009201060004100
0.25MI Loudon Tl2021Culvert24 ft836Good
Old Lake Shore RD over Gunstock River
No. 009101060009900
240 Ft FR Intervale RD1927Slab46 ft672Good
Scenic Drive over Poor Farm Brook
No. 009101140014700
1.3 MI FR Belknap Point1966Slab31 ft599Good
Hoyt Road over Gunstock River
No. 009101690009000
2.5 MI from Gunstock Hil2007Frame31 ft587Good
Waukewan RD over Waukewan Lake Inlet
No. 004000810004000
New Hampton T/L2022Slab32 ft541Good
Loon Cove Road over Watson Brook
No. 000601410022200
200 Ft East Nh 112022Box Beam or Girders - Multiple36 ft510Good
Grey Rocks Road over Nhrr
No. 002000520011100
0.3 MI from Tilton Tl2000Other95 ft510Good
Alvah Wilson Road over Gunstock River
No. 009101500008900
0.29 MI FR Nh RTE 11A1973Stringer/Multi-beam or Girder27 ft510Fair
Hounsell Avenue over Jewett Brook
No. 009101630004800
0.1 MI South NH11A2005Culvert20 ft510Good
Centenary Avenue over Nhrr
No. 013901260016300
Town RD1940Stringer/Multi-beam or Girder121 ft510Poor
Henderson Road over Gunstock River
No. 009101170010100
0.09 MI FR Intervale RD1960Tee Beam24 ft486Fair
Parade Hill Road over Suncook River
No. 001400960007900
0.1 MI S RTE 281948Stringer/Multi-beam or Girder109 ft427Fair
Hermit Woods Road over Hermit Brook
No. 023101340014300
0.3 MI from Nh RTE 1322017Box Beam or Girders - Multiple34 ft387Good
Dana Hill Road over Nhrr
No. 018402230011700
450 Feet FR Winona Road1998Frame84 ft341Good
Goodwin Road over Gunstock River
No. 009101580009000
0.4 MI FR Hoyt Road1940Stringer/Multi-beam or Girder21 ft322Good
Narrows Road over Suncook Lake Channel
No. 001401210014500
0.4 MI FR White Oak RD1960Stringer/Multi-beam or Girder36 ft303Fair
Davis Place over Jewett Brook
No. 013901240005500
472 Ft FR Union AVE&US32006Culvert28 ft202Good
Garland Road over Nh 28
No. 001400910008700
1.0 MI from Pittsfield Tl1969Stringer/Multi-beam or Girder92 ft191Good
Area Road over Poor Farm Brook
No. 009101470013800
0.16 Mi. from Nh RTE 11-A2011Culvert26 ft160Good
High Haith Road over Squam Lake Channel
No. 004001260013900
0.5 MI FR Squam Lake RD2010Slab28 ft136Good
Pinnacle Hill Road over I-93
No. 018401340005100
1.1 MI Meredith Tl1963Stringer/Multi-beam or Girder300 ft129Fair
Blake Hill Road over Blake Brook
No. 018400660006100
0.8 MI FR Old Bristol RD1999Culvert24 ft111Good
Reed Road over West Alton Brook
No. 000600780027500
0.9 Gilford Tl2011Culvert22 ft96Good
Places Mill Road over Sunset Lake Outlet
No. 000600980017800
0.4 Gilmanton Tl2011Culvert38 ft96Good
Coffin Brook Road over Coffin Brook
No. 000601650012100
1.0 MI Nh 1401999Box Beam or Girders - Multiple27 ft96Good
Province Road over Suncook River
No. 001400870007600
210 Ft FR Nh RTE 281998Stringer/Multi-beam or Girder90 ft96Good
Hartshorn Road over Crooked Run Brook
No. 001401210006500
.6 Miles W of Gray Rd.2003Stringer/Multi-beam or Girder30 ft96Fair
Depot Road over Suncook River
No. 001401260008700
0.07 MI FR Nh RTE 1261950Stringer/Multi-beam or Girder37 ft96Fair
Hannah Nutter Road over Big River
No. 001401490007300
0.1 MI FR New Rochester2024Culvert42 ft96Good
Welch Road over Little River
No. 001401760004700
0.6 MI FR Strafford Tl2010Culvert30 ft96Good
Tom Berry Road over Big River
No. 001401840006100
0.56 MI FR Strafford Tl1930Slab26 ft96Good
Stone Road over Ayers Brook
No. 009201190004300
4.32MI. RTE 1071999Culvert25 ft96Good
River Road over Suncook River
No. 009201360004100
.8 Mi. from N.H. RTE.1402004Frame30 ft96Good
Crystal Lake Road over Nelson Brook
No. 009201740009400
2 MI NW JCT NH1402023Slab41 ft96Good
Coolidge Woods RD over Prescott Brook
No. 018400310003200
0.13 MI FR Blake Hill RD1920Stringer/Multi-beam or Girder31 ft96Good
Coolidge Woods RD over Blake Brook
No. 018400550007400
85 Feet FR Brook Road1940Tee Beam28 ft96Good
Brook Road over Salmon Brook
No. 023101180008900
0.1 MI from Hale RD1900Slab35 ft96Poor
Tilton Bridge Road over Salmon Brook
No. 023101310009800
0.21 Mi. Rte. 1271900Slab24 ft96Good
Black Brook Road over Black Brook
No. 023102120013500
0.1 MI from Lower Bay RD2013Culvert25 ft96Good
Chapman Road over Patterson Brook
No. 023102190007200
1 MI West US 32019Slab36 ft96Good
Oxbow Road over Suncook River
No. 001401260011300
0.8 MI FR Nh 281924Tee Beam58 ft73Fair

Structure types in Belknap County

Stringer/Multi-beam or Girder4943.8%
Slab2320.5%
Culvert1513.4%
Frame1210.7%
Tee Beam65.4%
Box Beam or Girders - Multiple43.6%
Arch - Deck21.8%
Other10.9%

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