US Bridges

Lrd 21 3/4 ST over Tiller Creek

FairPosted for load

Barron County, Wisconsin · 0.2M N JCT Cth a · Structure no. P03093600000000

Built
1950
75 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
100
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 21 3/4 ST over Tiller Creek is a steel stringer/multi-beam or girder carrying Lrd 21 3/4 ST over Tiller Creek in Barron County, Wisconsin. It was built in 1950, so it is 75 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 other load-capacity restriction.

It carries about 100 vehicles a day, projected to reach 103 by 2043. The structure is 24 ft (7.2 m) long and 24 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

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CarriesLrd 21 3/4 ST
CrossesTiller Creek
Location0.2M N JCT Cth a
RouteCity Street 0
CountyBarron County
StateWisconsin
Coordinates45.24975, -91.71122
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length24 ft (7.2 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic103 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Lrd 21 3/4 ST over Tiller Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Lrd 21 3/4 ST over Tiller Creek 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 June 2024.

How much traffic does Lrd 21 3/4 ST over Tiller Creek carry?

About 100 vehicles per day (2024 count).

How long is Lrd 21 3/4 ST over Tiller Creek?

The structure is 24 ft (7.2 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.

Who owns Lrd 21 3/4 ST over Tiller Creek?

It is owned by the Town or Township Highway Agency.