US Bridges

Lrd Gant RD over Yellowstone River

Fair

Lafayette County, Wisconsin · 1.1M N JCT Cth F · Structure no. P33009400000000

Built
1930
95 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
47
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Gant RD over Yellowstone River is a steel stringer/multi-beam or girder carrying Lrd Gant RD over Yellowstone River in Lafayette County, Wisconsin. It was built in 1930, so it is 95 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.

It carries about 47 vehicles a day, projected to reach 51 by 2043. The structure is 59 ft (18.1 m) long and 17 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesLrd Gant RD
CrossesYellowstone River
Location1.1M N JCT Cth F
RouteCity Street 0
CountyLafayette County
StateWisconsin
Coordinates42.80036, -89.9774
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.
Superstructure7 GoodSome minor problems.
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 inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.6 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length59 ft (18.1 m)
Longest span58 ft (17.7 m)
Deck width17 ft (5.1 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2022)
Projected traffic51 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$261,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Gant RD over Yellowstone River built?

It was built in 1930, making it 95 years old in 2025.

What condition is Lrd Gant RD over Yellowstone 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 September 2024.

How much traffic does Lrd Gant RD over Yellowstone River carry?

About 47 vehicles per day (2022 count).

How long is Lrd Gant RD over Yellowstone River?

The structure is 59 ft (18.1 m) long with a longest span of 58 ft (17.7 m) and a deck 17 ft wide.

Who owns Lrd Gant RD over Yellowstone River?

It is owned by the Town or Township Highway Agency.