US Bridges

IRR BIA RTE 22 over Unnamed Stream

Fair

Prince of Wales-Hyder Census Area, Alaska · 2.6KM Past Totem Way · Structure no. 0000E09229T0160

Built
1980
45 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Steel
Length
64 ft
1 main span
Daily traffic
20
2024 count
Owner
Tribal
Indian Tribal Government

About this bridge

IRR BIA RTE 22 over Unnamed Stream is a steel box beam or girders - multiple 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 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 20 vehicles a day, roughly 1% of them trucks, projected to reach 40 by 2041. The structure is 64 ft (19.6 m) long and 17 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIRR BIA RTE 22
CrossesUnnamed Stream
Location2.6KM Past Totem Way
RouteFederal Lands Road 22
StateAlaska
Coordinates57.00144, -133.9779
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating51.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length64 ft (19.6 m)
Longest span61 ft (18.6 m)
Deck width17 ft (5.1 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic40 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 (2024 count), of which roughly 1% are trucks.

How long is IRR BIA RTE 22 over Unnamed Stream?

The structure is 64 ft (19.6 m) long with a longest span of 61 ft (18.6 m) and a deck 17 ft wide.

Who owns IRR BIA RTE 22 over Unnamed Stream?

It is owned by the Indian Tribal Government.