US Bridges

Irr:keku RD (kake) over Sitkum Creek

Fair

Petersburg Census Area, Alaska · Mile Point 3.2 · Structure no. 1467

Built
2011
14 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
270
2020 count
Owner
State
State Highway Agency

About this bridge

Irr:keku RD (kake) over Sitkum Creek is a prestressed concrete tee beam carrying Irr:keku RD (kake) over Sitkum Creek in Petersburg Census Area, Alaska. It was built in 2011, so it is 14 years old, younger than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 270 vehicles a day, roughly 4% of them trucks, projected to reach 330 by 2039. The structure is 112 ft (34.1 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesIrr:keku RD (kake)
CrossesSitkum Creek
LocationMile Point 3.2
RouteState Highway 0
CountyPetersburg Census Area
StateAlaska
Coordinates56.95019, -133.87269
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98.2 US tons
Inventory rating58.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length112 ft (34.1 m)
Longest span107 ft (32.6 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2020)
Projected traffic330 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-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 Irr:keku RD (kake) over Sitkum Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Irr:keku RD (kake) over Sitkum Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does Irr:keku RD (kake) over Sitkum Creek carry?

About 270 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Irr:keku RD (kake) over Sitkum Creek?

The structure is 112 ft (34.1 m) long with a longest span of 107 ft (32.6 m) and a deck 34 ft wide.

Who owns Irr:keku RD (kake) over Sitkum Creek?

It is owned by the State Highway Agency.