US Bridges

IRR BIA RTE 28 over Unnamed Stream

Good

Prince of Wales-Hyder Census Area, Alaska · 11.8KM Down Fs 6328 · Structure no. 0000E09229T0330

Built
1990
35 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
5
2019 count
Owner
Tribal
Indian Tribal Government

About this bridge

IRR BIA RTE 28 over Unnamed Stream is a steel stringer/multi-beam or girder carrying IRR BIA RTE 28 over Unnamed Stream in Prince of Wales-Hyder Census Area, Alaska. It was built in 1990, so it is 35 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5 vehicles a day, projected to reach 10 by 2041. The structure is 80 ft (24.5 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 28
CrossesUnnamed Stream
Location11.8KM Down Fs 6328
RouteFederal Lands Road 28
CountyPrince of Wales-Hyder Census Area
StateAlaska
Coordinates56.77999, -133.52417
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 evaluation7: Better than present minimum 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 rating61.5 US tons
Inventory rating41.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length80 ft (24.5 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 traffic5 (2019)
Projected traffic10 by 2041
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 28 over Unnamed Stream built?

It was built in 1990, making it 35 years old in 2025.

What condition is IRR BIA RTE 28 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 28 over Unnamed Stream carry?

About 5 vehicles per day (2019 count).

How long is IRR BIA RTE 28 over Unnamed Stream?

The structure is 80 ft (24.5 m) long with a longest span of 78 ft (23.9 m) and a deck 16 ft wide.

Who owns IRR BIA RTE 28 over Unnamed Stream?

It is owned by the Indian Tribal Government.