US Bridges

IRR BIA RTE 15 over Unnamed Stream

Fair

Prince of Wales-Hyder Census Area, Alaska · 26.0KM Southeast of Kake · Structure no. 0000E09229T0090

Built
1980
45 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
1
2019 count
Owner
Tribal
Indian Tribal Government

About this bridge

IRR BIA RTE 15 over Unnamed Stream is a steel stringer/multi-beam or girder carrying IRR BIA RTE 15 over Unnamed Stream in Prince of Wales-Hyder Census Area, Alaska. It was built in 1980, so it is 45 years old, older 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 5 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 1 vehicles a day, projected to reach 2 by 2039. The structure is 30 ft (9.2 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesIRR BIA RTE 15
CrossesUnnamed Stream
Location26.0KM Southeast of Kake
RouteFederal Lands Road 15
CountyPrince of Wales-Hyder Census Area
StateAlaska
Coordinates56.85614, -133.58157
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating30.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span29 ft (8.7 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2019)
Projected traffic2 by 2039
Trucks0%
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

OwnerIndian Tribal Government
Maintained byIndian Tribal Government
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 BIA RTE 15 over Unnamed Stream built?

It was built in 1980, making it 45 years old in 2025.

What condition is IRR BIA RTE 15 over Unnamed Stream 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 September 2024.

How much traffic does IRR BIA RTE 15 over Unnamed Stream carry?

About 1 vehicles per day (2019 count).

How long is IRR BIA RTE 15 over Unnamed Stream?

The structure is 30 ft (9.2 m) long with a longest span of 29 ft (8.7 m) and a deck 16 ft wide.

Who owns IRR BIA RTE 15 over Unnamed Stream?

It is owned by the Indian Tribal Government.