US Bridges

IRR BIA RTE 6068 over Swampy Slough

GoodClosed to traffic

Bethel Census Area, Alaska · In Front of School · Structure no. 0000E02255T0650

Built
2014
11 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
532 ft
17 main spans
Daily traffic
400
2019 count
Owner
Tribal
Indian Tribal Government

About this bridge

IRR BIA RTE 6068 over Swampy Slough is a wood or timber stringer/multi-beam or girder carrying IRR BIA RTE 6068 over Swampy Slough in Bethel Census Area, Alaska. It was built in 2014, so it is 11 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. Its operating status is: closed to all traffic.

It carries about 400 vehicles a day, projected to reach 600 by 2039. The structure is 532 ft (162.3 m) long and 10 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIRR BIA RTE 6068
CrossesSwampy Slough
LocationIn Front of School
RouteFederal Lands Road 6068
StateAlaska
Coordinates59.93524, -164.03973
Functional classUrban 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 inspectionJuly 2024
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating3 US tons
Inventory rating1.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans17 (+22 approach)
Design loadUnknown
Structure length532 ft (162.3 m)
Longest span20 ft (6.1 m)
Deck width10 ft (3.1 m)
Roadway width10 ft (3.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2019)
Projected traffic600 by 2039
Trucks0%
Lanes on structure2
Traffic directionHighway traffic not carried
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR BIA RTE 6068 over Swampy Slough built?

It was built in 2014, making it 11 years old in 2025.

What condition is IRR BIA RTE 6068 over Swampy Slough 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 July 2024.

How much traffic does IRR BIA RTE 6068 over Swampy Slough carry?

About 400 vehicles per day (2019 count).

How long is IRR BIA RTE 6068 over Swampy Slough?

The structure is 532 ft (162.3 m) long with a longest span of 20 ft (6.1 m) and a deck 10 ft wide.

Who owns IRR BIA RTE 6068 over Swampy Slough?

It is owned by the Indian Tribal Government.