US Bridges

IRR BIA RTE 22 over Unnamed Stream

Fair

Prince of Wales-Hyder Census Area, Alaska · 6.8KM Past Totem Way · Structure no. 0000E09229T0180

Built
1980
45 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
70 ft
1 main span
Daily traffic
20
2019 count
Owner
Tribal
Indian Tribal Government

About this bridge

IRR BIA RTE 22 over Unnamed Stream is a wood or timber stringer/multi-beam or girder carrying IRR BIA RTE 22 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 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 20 vehicles a day, roughly 1% of them trucks, projected to reach 30 by 2041. The structure is 70 ft (21.4 m) long and 13 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIRR BIA RTE 22
CrossesUnnamed Stream
Location6.8KM Past Totem Way
RouteFederal Lands Road 22
StateAlaska
Coordinates57.01751, -134.01591
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.6 US tons
Inventory rating31.2 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length70 ft (21.4 m)
Longest span68 ft (20.8 m)
Deck width13 ft (4.1 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic30 by 2041
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

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 22 over Unnamed Stream built?

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

What condition is IRR BIA RTE 22 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 22 over Unnamed Stream carry?

About 20 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is IRR BIA RTE 22 over Unnamed Stream?

The structure is 70 ft (21.4 m) long with a longest span of 68 ft (20.8 m) and a deck 13 ft wide.

Who owns IRR BIA RTE 22 over Unnamed Stream?

It is owned by the Indian Tribal Government.