US Bridges

Lrd Park ST over Black Earth Creek

Fair

Dane County, Wisconsin · 0.4M E JCT Sth 78 · Structure no. B13035500000000

Built
1985
40 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
42 ft
1 main span
Daily traffic
577
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Park ST over Black Earth Creek is a concrete slab carrying Lrd Park ST over Black Earth Creek in Dane County, Wisconsin. It was built in 1985, so it is 40 years old, younger 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 577 vehicles a day, projected to reach 634 by 2043. The structure is 42 ft (12.7 m) long and 30 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesLrd Park ST
CrossesBlack Earth Creek
Location0.4M E JCT Sth 78
RouteCity Street 0
CountyDane County
StateWisconsin
Coordinates43.13706, -89.74161
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.7 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic577 (2022)
Projected traffic634 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Park ST over Black Earth Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Lrd Park ST over Black Earth 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 September 2024.

How much traffic does Lrd Park ST over Black Earth Creek carry?

About 577 vehicles per day (2022 count).

How long is Lrd Park ST over Black Earth Creek?

The structure is 42 ft (12.7 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns Lrd Park ST over Black Earth Creek?

It is owned by the City or Municipal Highway Agency.