US Bridges

Lrd Baxter RD over Koshkonong Creek

Fair

Dane County, Wisconsin · 1.1M N JCT Cth Bb · Structure no. P13015300000000

Built
1972
53 years old
Condition
Fair
inspected October 2024
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
88
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Baxter RD over Koshkonong Creek is a steel culvert carrying Lrd Baxter RD over Koshkonong Creek in Dane County, Wisconsin. It was built in 1972, so it is 53 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 6 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 88 vehicles a day, projected to reach 96 by 2043. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesLrd Baxter RD
CrossesKoshkonong Creek
Location1.1M N JCT Cth Bb
RouteCity Street 0
CountyDane County
StateWisconsin
Coordinates43.10494, -89.16667
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckCorrugated steel
Main spans2
Design loadH 15
Structure length30 ft (9.1 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88 (2022)
Projected traffic96 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 Baxter RD over Koshkonong Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Lrd Baxter RD over Koshkonong 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 October 2024.

How much traffic does Lrd Baxter RD over Koshkonong Creek carry?

About 88 vehicles per day (2022 count).

How long is Lrd Baxter RD over Koshkonong Creek?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.8 m).

Who owns Lrd Baxter RD over Koshkonong Creek?

It is owned by the Town or Township Highway Agency.