US Bridges

Lrd 790th ST over Muddy Creek

Fair

Dunn County, Wisconsin · 0.5M N JCT Cth C · Structure no. P17012400000000

Built
1974
51 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
110
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 790th ST over Muddy Creek is a prestressed concrete stringer/multi-beam or girder carrying Lrd 790th ST over Muddy Creek in Dunn County, Wisconsin. It was built in 1974, so it is 51 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 110 vehicles a day, projected to reach 111 by 2043. The structure is 49 ft (14.8 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLrd 790th ST
CrossesMuddy Creek
Location0.5M N JCT Cth C
RouteCity Street 0
Coordinates44.80638, -91.76189
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 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 rating50.4 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length49 ft (14.8 m)
Longest span48 ft (14.6 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2024)
Projected traffic111 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 790th ST over Muddy Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Lrd 790th ST over Muddy 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 July 2024.

How much traffic does Lrd 790th ST over Muddy Creek carry?

About 110 vehicles per day (2024 count).

How long is Lrd 790th ST over Muddy Creek?

The structure is 49 ft (14.8 m) long with a longest span of 48 ft (14.6 m) and a deck 30 ft wide.

Who owns Lrd 790th ST over Muddy Creek?

It is owned by the Town or Township Highway Agency.