Deficient major bridges in Alaska

The following bridges carry at least 10,000 vehicles a day and have been rated as either structurally deficient or functionally obsolete by inspectors, according to an msnbc.com analysis of the National Bridge Inventory.

Status of "D" means the bridge has been rated structurally deficient; "O" means it has been rated functionally obsolete.

A structurally deficient bridge is closed or restricted to light vehicles because of its deteriorated structural components. While not necessarily unsafe, these bridges must have limits for speed and weight.

A functionally obsolete bridge has older design features and, while it is not unsafe for all vehicles, it cannot safely accommodate current traffic volumes, and vehicle sizes and weights.

The raw dataset of the National Bridge Inventory, which is compiled by the U.S. Department of Transportation's Federal Highway Administration from state reports, was provided by the National Institute for Computer-Assisted Reporting at the University of Missouri. The analysis was done by msnbc.com. This page reflects inspections through December 2005.

Click a county name to view data. ANCHORAGE FAIRBANKS NORTH STAR JUNEAU KENAI PENINSULA KETCHIKAN GATEWAY MATANUSKA-SUSITNA Status Rating Road Place County Feature Location O 92.9 527 ANCHORAGE ANCHORAGE ANCHORAGE PORT ACCESS MILE POINT 0.7 O 83.8 ANCHORAGE ANCHORAGE "CAMPBELL CREEK OLD SWD" O 75.4 527 ANCHORAGE ANCHORAGE 15TH ST OC A ST MILE POINT 0.7 O 81.5 ANCHORAGE ANCHORAGE DOWLING RD UNDERXING MILE POINT 122.8 D 56.2 ANCHORAGE ANCHORAGE DIMOND BLVD UNDERXING MILE POINT 122.3 O 94.4 504 ANCHORAGE ANCHORAGE RABBIT CR OVERCROSSING MILE POINT 1.0 O 86.1 520 ANCHORAGE ANCHORAGE DIMOND BLVD OC MILE POINT 13.6 O 78.8 ANCHORAGE ANCHORAGE 23RD AVENUE OC A ST ANCHORAGE O 60.0 ANCHORAGE ANCHORAGE EKLUTNA RIVER - S.B. MILE POINT 24.1 O 64.0 ANCHORAGE ANCHORAGE GLENN HWY R.R. O.H. - SB MILE POINT 25.3 O 70.2 ANCHORAGE ANCHORAGE PETERS CREEK U.C. - S.B. MILE POINT 20.4 O 61.0 ANCHORAGE ANCHORAGE EDMONDS LAKE UC - SB MILE POINT 22.7 O 72.9 ANCHORAGE ANCHORAGE SOUTH BIRCHWOOD UC - SB MILE POINT 16.0 O 60.0 ANCHORAGE EKLUTNA RIVER - N.B. MILE POINT 24.1 O 63.0 ANCHORAGE GLENN HWY R.R. O.H. - NB MILE POINT 25.3 O 62.8 ANCHORAGE PETERS CREEK U.C. - N.B. MILE POINT 20.4 O 66.0 ANCHORAGE EDMONDS LAKE U.C. - N.B. MILE POINT 22.7 O 72.9 ANCHORAGE SOUTH BIRCHWOOD UC - NB MILE POINT 16.0 Status Rating Road Place County Feature Location D 35.9 617 FAIRBANKS FAIRBANKS NORTH STAR CHENA RIVER (UNIV AVE) MILE POINT 0.4 O 60.9 663 FAIRBANKS FAIRBANKS NORTH STAR NOYES SLOUGH (ILLINOIS) MILE POINT 2.2 O 71.4 663 FAIRBANKS FAIRBANKS NORTH STAR CHENA RIVER (CUSHMAN) MILE POINT 1.7 Status Rating Road Place County Feature Location D 40.0 93 JUNEAU JUNEAU MENDENHALL RIVER MILE POINT 34.0 O 11.3 93 JUNEAU JUNEAU VANDERBILT CREEK MILE POINT 4.9 O 11.3 953 JUNEAU JUNEAU JORDAN CREEK (EGAN DR) MILE POINT 8.3 Status Rating Road Place County Feature Location D 56.6 21 SOLDOTNA KENAI PENINSULA KENAI RIVER (SOLDOTNA) MILE POINT 79.9 Status Rating Road Place County Feature Location D 43.9 902 KETCHIKAN KETCHIKAN GATEWAY HOADLEY CREEK MILE POINT 0.3 O 64.1 902 KETCHIKAN KETCHIKAN GATEWAY WATER ST VIADUCT MILE POINT 1.6 O 49.8 902 KETCHIKAN KETCHIKAN GATEWAY TONGASS AVENUE VIADUCT MILE POINT 1.3 Status Rating Road Place County Feature Location O 66.0 PALMER MATANUSKA-SUSITNA KNIK RIVER ACCESS U.C. MILE POINT 29.9

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