US Bridges

Lrd Mapledale RD over Bishop Branch

Fair

Vernon County, Wisconsin · 1.9M N JCT Sth 56 · Structure no. P62024300000000

Built
1950
75 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
2 main spans
Daily traffic
205
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Mapledale RD over Bishop Branch is a steel stringer/multi-beam or girder carrying Lrd Mapledale RD over Bishop Branch in Vernon 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.

It carries about 205 vehicles a day, projected to reach 225 by 2043. The structure is 39 ft (12 m) long and 22 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesLrd Mapledale RD
CrossesBishop Branch
Location1.9M N JCT Sth 56
RouteCity Street 0
CountyVernon County
StateWisconsin
Coordinates43.56355, -90.84373
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86.4 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length39 ft (12 m)
Longest span19 ft (5.8 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic205 (2022)
Projected traffic225 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Mapledale RD over Bishop Branch built?

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

What condition is Lrd Mapledale RD over Bishop Branch 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 May 2024.

How much traffic does Lrd Mapledale RD over Bishop Branch carry?

About 205 vehicles per day (2022 count).

How long is Lrd Mapledale RD over Bishop Branch?

The structure is 39 ft (12 m) long with a longest span of 19 ft (5.8 m) and a deck 22 ft wide.

Who owns Lrd Mapledale RD over Bishop Branch?

It is owned by the Town or Township Highway Agency.