US Bridges

Lrd South Valley R over Black Earth Creek

Good

Dane County, Wisconsin · 0.1M S JCT Ush 14 · Structure no. B13004100000000

Built
1972
53 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
41 ft
3 main spans
Daily traffic
117
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd South Valley R over Black Earth Creek is a concrete continuous culvert carrying Lrd South Valley R over Black Earth 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 117 vehicles a day, projected to reach 128 by 2043. The structure is 41 ft (12.6 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLrd South Valley R
CrossesBlack Earth Creek
Location0.1M S JCT Ush 14
RouteCity Street 0
Coordinates43.12489, -89.70972
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length41 ft (12.6 m)
Longest span13 ft (4.1 m)
Deck width36 ft (11.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117 (2022)
Projected traffic128 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd South Valley R over Black Earth Creek built?

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

What condition is Lrd South Valley R over Black Earth 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 September 2024.

How much traffic does Lrd South Valley R over Black Earth Creek carry?

About 117 vehicles per day (2022 count).

How long is Lrd South Valley R over Black Earth Creek?

The structure is 41 ft (12.6 m) long with a longest span of 13 ft (4.1 m) and a deck 36 ft wide.

Who owns Lrd South Valley R over Black Earth Creek?

It is owned by the Town or Township Highway Agency.