US Bridges

IRR BIA RTE 15 over Unnamed Stream

Good

Prince of Wales-Hyder Census Area, Alaska · 7.1KM Down FS6326 FR 6314 · Structure no. 0000E09229T0100

Built
2003
22 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
81 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 2003, so it is 22 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1 vehicles a day, projected to reach 2 by 2039. The structure is 81 ft (24.6 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIRR BIA RTE 15
CrossesUnnamed Stream
Location7.1KM Down FS6326 FR 6314
RouteFederal Lands Road 15
StateAlaska
Coordinates56.85693, -133.57132
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.4 US tons
Inventory rating50.2 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length81 ft (24.6 m)
Longest span78 ft (23.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

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

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 2003, making it 22 years old in 2025.

What condition is IRR BIA RTE 15 over Unnamed Stream 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 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 81 ft (24.6 m) long with a longest span of 78 ft (23.9 m) and a deck 16 ft wide.

Who owns IRR BIA RTE 15 over Unnamed Stream?

It is owned by the Indian Tribal Government.