Juneau City and County, AK

17 public highway bridges

Juneau City and County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Juneau City and County, Alaska contains 17 public highway bridges. Roughly 35.3% are rated “Good,” 64.7% “Fair,” and 0% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

17
Total Bridges
35.3%
Good
64.7%
Fair
0%
Poor Condition

Condition Distribution

Good
35.3% (6)
Fair
64.7% (11)
Poor
0% (0)

All Bridges (17)

9TH STREET

Fair

Over: GOLD CREEK NINTH ST

MILE POINT 0.1, Juneau City and, AK

Built 1934 Load: 16.4 t ADT: 953

WILLOUGHBY AVE

Fair

Over: GOLD CREEK

MILE POINT 1.9, Juneau City and, AK

Built 1934 Load: 16.4 t ADT: 6,139

CALHOUN AVENUE

Fair

Over: CALHOUN VIADUCT

MILE POINT 0.2, Juneau City and, AK

Built 1934 Load: 24.5 t ADT: 2,816

BACK LOOP RD

Fair

Over: LAKE CREEK

MILE POINT 3.3, Juneau City and, AK

Built 1968 Load: 24.9 t ADT: 2,770

NORTH DOUGLAS HWY

Fair

Over: FISH CREEK

MILE POINT 7.3, Juneau City and, AK

Built 1950 Load: 25.1 t ADT: 740

BASIN ROAD

Fair

Over: GOLD CREEK

MILE POINT 0.6, Juneau City and, AK

Built 1938 Load: 26.6 t ADT: 280

THANE ROAD

Fair

Over: SHEEP CREEK

MILE POINT 4.1, Juneau City and, AK

Built 1981 Load: 32.7 t ADT: 430

BACK LOOP RD

Fair

Over: MENDENHALL RIVER

MILE POINT 3.2, Juneau City and, AK

Built 1985 Load: 34.7 t ADT: 4,230

NORTH DOUGLAS HWY

Fair

Over: KOWEE CREEK

MILE POINT 0.1, Juneau City and, AK

Built 1981 Load: 38.9 t ADT: 7,300

GLACIER HIGHWAY

Fair

Over: PETERSON CREEK

MILE POINT 23.0, Juneau City and, AK

Built 1986 Load: 40.4 t ADT: 630

EGAN DRIVE

Fair

Over: GOLD CREEK

MILE POINT 0.4, Juneau City and, AK

Built 1972 Load: 41.9 t ADT: 10,200

BASIN ROAD

Good

Over: BASIN ROAD TRESTLE

MILE POINT 0.3, Juneau City and, AK

Built 1936 Load: 32.7 t ADT: 280

OLD GLACIER HWY

Good

Over: LEMON CREEK

MILE POINT 2.3, Juneau City and, AK

Built 1982 Load: 35.3 t ADT: 6,520

NO DATA ENTERED

Good

Over: STREAM

JUNEAU, Juneau City and, AK

Built 2019 Load: 38.2 t ADT: 50

TWIN LAKES DRIVE

Good

Over: SALMON CREEK

MILE POINT 1.6, Juneau City and, AK

Built 1989 Load: 39.6 t ADT: 2,450

GLACIER HIGHWAY

Good

Over: MENDENHALL RIVER

MILE POINT 9.3, Juneau City and, AK

Built 2015 Load: 40.4 t ADT: 15,923

BACK LOOP RD

Good

Over: MONTANA CREEK

MILE POINT 4.5, Juneau City and, AK

Built 1985 Load: 40.6 t ADT: 2,770

Read our methodology - how this data is sourced, computed, and verified.

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Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.