US Bridges

IRR BIA RTE 002 over Unnamed Stream

PoorClosed to traffic

North Slope Borough, Alaska · Nuiqsut · Structure no. 0000E03354T0580

Built
1980
45 years old
Condition
Poor
inspected August 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
—
2019 count
Owner
Tribal
Indian Tribal Government

About this bridge

IRR BIA RTE 002 over Unnamed Stream is a steel stringer/multi-beam or girder carrying IRR BIA RTE 002 over Unnamed Stream in North Slope Borough, 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 poor condition with a lowest component rating of 0 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

No traffic count is recorded. The structure is 41 ft (12.4 m) long and 14 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIRR BIA RTE 002
CrossesUnnamed Stream
LocationNuiqsut
RouteFederal Lands Road 2
StateAlaska
Coordinates70.21645, -150.98274
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
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 inspectionAugust 2021
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span40 ft (12.2 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic5 by 2039
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$910,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR BIA RTE 002 over Unnamed Stream built?

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

What condition is IRR BIA RTE 002 over Unnamed Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2021.

How much traffic does IRR BIA RTE 002 over Unnamed Stream carry?

No traffic count is recorded for this structure.

How long is IRR BIA RTE 002 over Unnamed Stream?

The structure is 41 ft (12.4 m) long with a longest span of 40 ft (12.2 m) and a deck 14 ft wide.

Who owns IRR BIA RTE 002 over Unnamed Stream?

It is owned by the Indian Tribal Government.