US Bridges

North Slope Borough, Alaska bridges

North Slope Borough has 16 bridges and culverts in the National Bridge Inventory, the oldest built in 1972. 1 (6%) are rated poor. The most common type is tee beam (38%).

Bridges
16
Good
63%
Fair
31%
Poor
6%
1 bridges
Average age
28.6 yrs
Posted or closed
1

Map of bridges in North Slope Borough

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

Search bridges in North Slope Borough

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Condition

6%poor
Good63%(10)
Fair31%(5)
Poor6%(1)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 0 bridges19101920s: 0 bridges19201930s: 0 bridges19301940s: 0 bridges19401950s: 0 bridges19501960s: 0 bridges19601970s: 1 bridges119701980s: 4 bridges419801990s: 4 bridges419902000s: 2 bridges220002010s: 5 bridges520102020s: 0 bridges2020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. Dalton Highway over Atigun River No. 2
    130 vehicles/day
    Good
  2. Dalton Highway over Atigun River No. 1
    130 vehicles/day
    Good
  3. Dalton Highway over Trevor Creek
    130 vehicles/day
    Fair
  4. Dalton Highway over Roche Moutonnee Creek
    130 vehicles/day
    Good
  5. Dalton Highway over Holden Creek
    130 vehicles/day
    Good

Longest

  1. Dalton Highway over Atigun River No. 2
    335 ft
    Good
  2. Dalton Highway over Atigun River No. 1
    223 ft
    Good
  3. Dalton Highway over Roche Moutonnee Creek
    122 ft
    Good
  4. Dalton Highway over Holden Creek
    122 ft
    Good
  5. Dalton Highway over Oksrukuyik Creek No. 2
    122 ft
    Good

Oldest

  1. Dalton Highway over Marx Creek
    Built 1972
    Fair
  2. IRR BIA RTE 002 over Unnamed Stream
    Built 1980
    Poor
  3. Dalton Highway over Trevor Creek
    Built 1982
    Fair
  4. Dalton Highway over Dan Creek
    Built 1982
    Fair
  5. Dalton Highway over West Fork N Fk Chandalar
    Built 1982
    Fair

All bridges in North Slope Borough

Busiest first · showing 1–16 of 16
Bridges in North Slope Borough
BridgeLocationBuiltTypeLengthDaily trafficCondition
Dalton Highway over Atigun River No. 2
No. 1333
Mile Point 271.32000Tee Beam335 ft130Good
Dalton Highway over Atigun River No. 1
No. 1439
Mile Point 253.72000Tee Beam223 ft130Good
Dalton Highway over Trevor Creek
No. 1518
Mile Point 259.01982Stringer/Multi-beam or Girder29 ft130Fair
Dalton Highway over Roche Moutonnee Creek
No. 1519
Mile Point 265.52017Tee Beam122 ft130Good
Dalton Highway over Holden Creek
No. 1520
Mile Point 267.82013Tee Beam122 ft130Good
Dalton Highway over Dan Creek
No. 1521
Mile Point 331.01982Stringer/Multi-beam or Girder41 ft130Fair
Dalton Highway over Kuparuk River
No. 1943
Mile Point 289.21994Tee Beam85 ft130Fair
Dalton Highway over Oksrukuyik Creek No. 2
No. 2146
Mile Point 313.92011Tee Beam122 ft130Good
Dalton Highway over Oksrukuyik Creek No. 1
No. 4018
Mile Point 298.02012Culvert37 ft130Good
Dalton Highway over Marx Creek
No. 4050
Mile Point 253.81972Culvert24 ft130Fair
Dalton Highway over West Fork N Fk Chandalar
No. 1516
Mile Point 243.71982Stringer/Multi-beam or Girder41 ft110Fair
Dalton Highway over Spike Camp Creek South
No. 4042
Mile Point 249.61995Culvert23 ft110Good
Dalton Highway over Spike Camp Creek North
No. 4043
Mile Point 249.71995Culvert23 ft110Good
Dalton Highway over Happy Valley Creek
No. 4062
Mile Point 334.71995Culvert48 ft90Good
Irr:main Street over Big Contact Creek
No. 1987
Mile Point 0.52013Stringer/Multi-beam or Girder101 ft50Good
IRR BIA RTE 002 over Unnamed Stream
No. 0000E03354T0580
Nuiqsut1980Stringer/Multi-beam or Girder41 ft—Poor

Structure types in North Slope Borough

Tee Beam637.5%
Culvert531.3%
Stringer/Multi-beam or Girder531.3%

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