US Bridges

Utah bridges

Utah reports 3,144 bridges and culverts across 29 counties. 109 (3.5%) are rated in poor condition, and 262 are posted with load limits or closed. The oldest structure still in the inventory dates from 1905.

Bridges
3,144
Counties
29
Good
21%
Fair
76%
Poor
3%
109 bridges
Average age
40.1 yrs

Find a bridge in Utah

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

Counties

Circle size reflects the number of bridges

Condition

3%poor
Good21%(659)
Fair76%(2,376)
Poor3%(109)

Counties with the highest share of poor bridges

Structure types

Structure typeBridgesShare
Stringer/Multi-beam or Girder1,72354.8%
Culvert72122.9%
Tee Beam2618.3%
Frame2036.5%
Slab1394.4%
Box Beam or Girders - Multiple391.2%
Truss - Thru130.4%
Girder and Floorbeam System130.4%
Arch - Deck110.3%
Other80.3%
Box Beam or Girders - Single or Spread40.1%
Arch - Thru30.1%
Segmental Box Girder20.1%
Truss - Deck20.1%
Suspension10.0%
Mixed Types10.0%

When Utah's bridges were built

<1900: 0 bridges<19001900s: 1 bridges119001910s: 9 bridges919101920s: 27 bridges2719201930s: 76 bridges7619301940s: 68 bridges6819401950s: 234 bridges23419501960s: 406 bridges40619601970s: 442 bridges44219701980s: 527 bridges52719801990s: 384 bridges38419902000s: 466 bridges46620002010s: 349 bridges34920102020s: 155 bridges1552020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. I-15 (SR-15) Nbl over Andy AVE.(2250 S.)&
    Salt Lake County · 268,370 vehicles/day
    Fair
  2. I-15 NB Col-Dist over Rt.Pond .& Uta Tracks
    Salt Lake County · 268,370 vehicles/day
    Good
  3. I-15NB Col-Dist.Rp over Drainage Water Ret. Pond
    Salt Lake County · 268,370 vehicles/day
    Good
  4. I-15 (SR-15) Nbl over 2100 South Street
    Salt Lake County · 268,370 vehicles/day
    Fair
  5. I-15 NB Col-Dist. over 2100 South Street
    Salt Lake County · 268,370 vehicles/day
    Fair

Longest

  1. Fair
  2. Fair
  3. Fair
  4. RP.SR201EB TOI15NB over I-15 UPRR & Ramps
    Salt Lake County · 2,270 ft
    Fair
  5. Terminal Drive over Slc Airport Terminal
    Salt Lake County · 2,025 ft
    Good

Oldest

  1. County Road over Spring Canyon Wash
    Carbon County · Built 1905
    Fair
  2. US-89(SR-89)-MAIN over Hobble Creek
    Utah County · Built 1913
    Fair
  3. County Road over Price River
    Carbon County · Built 1914
    Poor
  4. County Road over Bear River
    Rich County · Built 1914
    Fair
  5. County Road over West Canal
    Box Elder County · Built 1915
    Fair

Newest

  1. SR-209 over Jordan River
    Salt Lake County · Built 2024
    Good
  2. I-15 SR-97 over Three Gates Trail
    Weber County · Built 2024
    Good
  3. SR-177 over SR-67 UPRR Uta
    Davis County · Built 2024
    Good
  4. SR-177 over SR-67 UPRR Uta
    Davis County · Built 2024
    Good
  5. SR-85 Frontage over SR-85 Mainline
    Utah County · Built 2024
    Good

Who owns Utah's bridges

State1,92561.2%
County55217.6%
City42813.6%
Federal1775.6%
Town / Township501.6%
Local70.2%
Private20.1%
Tribal20.1%
Toll Authority10.0%

More Utah facts

Total bridge length76 miles
Total deck area22,316,137 sq ft
Culverts counted as bridges721 (23%)
On the National Highway System1,412
Posted with load limits255
Closed to traffic7
Listed or eligible for the National Register49
Average daily traffic per bridge22,371 vehicles
Newest structure2024