US Bridges

Sth 47 over Lost Creek

Good

Iron County, Wisconsin · 250 East of Intersection · Structure no. B26004000000000

Built
2016
9 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 47 over Lost Creek is a prestressed concrete box beam or girders - multiple carrying Sth 47 over Lost Creek in Iron County, Wisconsin. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, projected to reach 1,100 by 2043. The structure is 39 ft (11.9 m) long and 37 ft wide. If it were closed, the detour would be 54.7 mi (88 km).

CarriesSth 47
CrossesLost Creek
Location250 East of Intersection
RouteState Highway 47
Coordinates46.08594, -89.97853
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length39 ft (11.9 m)
Longest span35 ft (10.7 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,100 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.7 mi (88 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 Sth 47 over Lost Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Sth 47 over Lost Creek 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 June 2024.

How much traffic does Sth 47 over Lost Creek carry?

About 1,000 vehicles per day (2023 count).

How long is Sth 47 over Lost Creek?

The structure is 39 ft (11.9 m) long with a longest span of 35 ft (10.7 m) and a deck 37 ft wide.

Who owns Sth 47 over Lost Creek?

It is owned by the State Highway Agency.