US Bridges

Kake Access over 12 Mile Creek

Good

Petersburg Census Area, Alaska · Mile Point 0.0 · Structure no. 2379

Built
2021
4 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
10
2020 count
Owner
State
State Highway Agency

About this bridge

Kake Access over 12 Mile Creek is a steel stringer/multi-beam or girder carrying Kake Access over 12 Mile Creek in Petersburg Census Area, Alaska. It was built in 2021, so it is 4 years old, younger than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, roughly 1% of them trucks, projected to reach 20 by 2040. The structure is 80 ft (24.4 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesKake Access
Crosses12 Mile Creek
LocationMile Point 0.0
RouteState Highway 0
StateAlaska
Coordinates56.94152, -133.07889
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation9: Superior to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating42.1 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length80 ft (24.4 m)
Longest span79 ft (24.1 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic20 by 2040
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kake Access over 12 Mile Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Kake Access over 12 Mile Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Kake Access over 12 Mile Creek carry?

About 10 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Kake Access over 12 Mile Creek?

The structure is 80 ft (24.4 m) long with a longest span of 79 ft (24.1 m) and a deck 18 ft wide.

Who owns Kake Access over 12 Mile Creek?

It is owned by the State Highway Agency.