US Bridges

IRR BIA RTE 1001 over Unnamed Tidal River

FairPosted for load

Bethel Census Area, Alaska · Near Water Resevior · Structure no. 0000E02276T0800

Built
2003
22 years old
Condition
Fair
inspected July 2024
Type
Truss - Thru
Steel
Length
210 ft
14 main spans
Daily traffic
25
2019 count
Owner
Tribal
Indian Tribal Government

About this bridge

IRR BIA RTE 1001 over Unnamed Tidal River is a steel truss - thru carrying IRR BIA RTE 1001 over Unnamed Tidal River in Bethel 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 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 30 by 2039. The structure is 210 ft (64.1 m) long and 10 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIRR BIA RTE 1001
CrossesUnnamed Tidal River
LocationNear Water Resevior
RouteFederal Lands Road 1001
StateAlaska
Coordinates59.87978, -163.16618
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: 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 rating5.5 US tons
Inventory rating5.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans14 (+11 approach)
Design loadUnknown
Structure length210 ft (64.1 m)
Longest span139 ft (42.5 m)
Deck width10 ft (3 m)
Roadway width9 ft (2.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2019)
Projected traffic30 by 2039
Trucks0%
Lanes on structure2
Traffic directionHighway traffic not carried
CarriesHighway and pedestrian
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 1001 over Unnamed Tidal River built?

It was built in 2003, making it 22 years old in 2025.

What condition is IRR BIA RTE 1001 over Unnamed Tidal River 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 July 2024.

How much traffic does IRR BIA RTE 1001 over Unnamed Tidal River carry?

About 25 vehicles per day (2019 count).

How long is IRR BIA RTE 1001 over Unnamed Tidal River?

The structure is 210 ft (64.1 m) long with a longest span of 139 ft (42.5 m) and a deck 10 ft wide.

Who owns IRR BIA RTE 1001 over Unnamed Tidal River?

It is owned by the Indian Tribal Government.