US Bridges

Lrd 770th Ave over Annis Creek

FairPosted for load

Dunn County, Wisconsin · 0.3M E JCT Cth K · Structure no. P17010300000000

Built
1944
81 years old, rebuilt 1966
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
58
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 770th Ave over Annis Creek is a steel stringer/multi-beam or girder carrying Lrd 770th Ave over Annis Creek in Dunn County, Wisconsin. It was built in 1944 and reconstructed in 1966, so it is 81 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. Its operating status is: posted for load restriction.

It carries about 58 vehicles a day, projected to reach 63 by 2043. The structure is 24 ft (7.3 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesLrd 770th Ave
CrossesAnnis Creek
Location0.3M E JCT Cth K
RouteCity Street 0
CountyDunn County
StateWisconsin
Coordinates44.959, -92.01014
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating25.2 US tons
Inventory rating14.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2024)
Projected traffic63 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 770th Ave over Annis Creek built?

It was built in 1944, making it 81 years old in 2025. It was reconstructed in 1966.

What condition is Lrd 770th Ave over Annis 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 770th Ave over Annis Creek carry?

About 58 vehicles per day (2024 count).

How long is Lrd 770th Ave over Annis Creek?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns Lrd 770th Ave over Annis Creek?

It is owned by the Town or Township Highway Agency.