US Bridges

IRR BIA RTE 10 over Flambeau Bear River

Good

Iron County, Wisconsin · 13KM N of Lac Du Flambeau · Structure no. 00000000000F326

Built
1996
29 years old
Condition
Good
inspected September 2024
Type
Slab
Wood or Timber
Length
38 ft
1 main span
Daily traffic
50
2024 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 10 over Flambeau Bear River is a wood or timber slab carrying IRR BIA RTE 10 over Flambeau Bear River in Iron County, Wisconsin. It was built in 1996, so it is 29 years old, younger than the Wisconsin average of 40.3 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 50 vehicles a day, roughly 25% of them trucks, projected to reach 70 by 2044. The structure is 38 ft (11.7 m) long and 26 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesIRR BIA RTE 10
CrossesFlambeau Bear River
Location13KM N of Lac Du Flambeau
RouteFederal Lands Road 10
Coordinates46.02691, -89.96251
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length38 ft (11.7 m)
Longest span36 ft (11 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic70 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 10 over Flambeau Bear River built?

It was built in 1996, making it 29 years old in 2025.

What condition is IRR BIA RTE 10 over Flambeau Bear River 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 10 over Flambeau Bear River carry?

About 50 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is IRR BIA RTE 10 over Flambeau Bear River?

The structure is 38 ft (11.7 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.

Who owns IRR BIA RTE 10 over Flambeau Bear River?

It is owned by the Bureau of Indian Affairs.