US Bridges

Stringer/Multi-beam or Girder bridges

Long beams (girders) placed parallel to traffic that carry the deck. The most common bridge type in the United States. The inventory lists 241,624 of them, 38.7% of all US bridges.

Bridges
241,624
Share of all bridges
38.7%
Poor condition
8.2%
19,731 bridges
Average age
45.6 yrs
Combined length
10,533 mi
Oldest
1800

Stringer/Multi-beam or Girder bridges by state

StateStringer/Multi-beam or GirderShare of state's bridges
Texas25,15744.2%
Missouri12,22249.6%
Oklahoma11,86351.7%
Iowa10,70045.1%
Ohio10,26738.4%
New York9,03551.1%
North Carolina8,61644.5%
Kansas8,36533.6%
Pennsylvania7,87833.8%
Illinois7,87229.2%
Nebraska7,61849.4%
Virginia6,69947.4%
Mississippi6,48138.8%
Wisconsin6,38844.1%
Indiana6,34432.5%
Georgia5,81138.5%
Florida5,72543.8%
Tennessee5,22025.6%
Alabama4,86730.1%
Michigan4,73241.5%
Minnesota4,58933.9%
Arkansas4,25632.8%
Kentucky4,21228.9%
California3,92515.1%
Colorado3,87843.1%
New Jersey3,82056.0%
Washington3,53441.5%
Montana3,39464.8%
West Virginia3,21343.7%
Louisiana3,12724.7%
Massachusetts2,87554.1%
Maryland2,67348.6%
South Carolina2,51126.4%
Oregon2,44529.4%
Idaho2,22948.0%
Connecticut2,17049.7%
Utah1,72354.8%
South Dakota1,68928.7%
Vermont1,53253.5%
Arizona1,50117.5%
Wyoming1,46746.7%
New Mexico1,44335.8%
New Hampshire1,37153.8%
Maine1,27750.2%
Puerto Rico1,23750.8%
North Dakota1,20328.3%
Alaska85751.6%
Rhode Island43154.8%
Delaware40646.5%
Hawaii30926.2%
Nevada30114.2%
District of Columbia16462.8%
U.S. Virgin Islands28.3%

Materials used

Steel37.8%
Prestressed Concrete26.3%
Steel Continuous20.0%
Prestressed Concrete Continuous7.9%
Wood or Timber4.2%
Concrete3.3%

When they were built

<1900: 336 bridges336<19001900s: 1,771 bridges1.8k19001910s: 1,192 bridges1.2k19101920s: 3,315 bridges3.3k19201930s: 11,300 bridges11k19301940s: 7,644 bridges7.6k19401950s: 22,030 bridges22k19501960s: 40,575 bridges41k19601970s: 33,397 bridges33k19701980s: 27,427 bridges27k19801990s: 30,503 bridges31k19902000s: 30,354 bridges30k20002010s: 23,262 bridges23k20102020s: 8,517 bridges8.5k2020
Stringer/Multi-beam or Girder bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. I-295 US 130 over Woodbury Creek
    Gloucester County, New Jersey · 882,085 vehicles/day
    Good
  2. IH 35 NB over FM 2417
    McLennan County, Texas · 778,093 vehicles/day
    Good
  3. SR-56 WB over Trout Creek
    Pasco County, Florida · 761,000 vehicles/day
    Good
  4. I-78 EB over US 22 WB
    Hunterdon County, New Jersey · 661,439 vehicles/day
    Fair
  5. IH 35 SB over South San Gabriel River
    Williamson County, Texas · 517,256 vehicles/day
    Fair

Longest

  1. I0055 over I-10 & US 51 & Swamp
    St. John the Baptist Parish, Louisiana · 76,714 ft
    Good
  2. I0055 over US 51 & Swamp
    St. John the Baptist Parish, Louisiana · 75,831 ft
    Fair
  3. I0010 over Bonnet Carre Spillway
    St. Charles Parish, Louisiana · 50,814 ft
    Fair
  4. I0010 over Bonnet Carre Spillway
    St. Charles Parish, Louisiana · 50,772 ft
    Fair
  5. I0055 over Elevated Rdwy
    Tangipahoa Parish, Louisiana · 42,125 ft
    Fair

Oldest

  1. Faulkner Rd. over Unamed Branch
    Escambia County, Alabama · Built 1800
    Fair
  2. CR (louisville Rd) over Jernigan Mill Crk
    Escambia County, Alabama · Built 1800
    Fair
  3. Wade ST over Genetta Ditch
    Montgomery County, Alabama · Built 1800
    Fair
  4. Covered Bridge Ln. over Sherman Creek
    Perry County, Pennsylvania · Built 1810
    Fair
  5. Martin ST over Blackstone River
    Providence County, Rhode Island · Built 1810
    Good