US Bridges

Lrd 230th Avenue over Duncan Creek

Fair

Chippewa County, Wisconsin · 0.4 M E 83rd Street · Structure no. P09010400000000

Built
1925
100 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
33 ft
1 main span
Daily traffic
135
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 230th Avenue over Duncan Creek is a concrete stringer/multi-beam or girder carrying Lrd 230th Avenue over Duncan Creek in Chippewa County, Wisconsin. It was built in 1925, so it is 100 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 135 vehicles a day, projected to reach 139 by 2043. The structure is 33 ft (10.1 m) long and 20 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesLrd 230th Avenue
CrossesDuncan Creek
Location0.4 M E 83rd Street
RouteCity Street 0
CountyChippewa County
StateWisconsin
Coordinates45.18897, -91.50392
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.2 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2023)
Projected traffic139 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$168,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd 230th Avenue over Duncan Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is Lrd 230th Avenue over Duncan 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 230th Avenue over Duncan Creek carry?

About 135 vehicles per day (2023 count).

How long is Lrd 230th Avenue over Duncan Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns Lrd 230th Avenue over Duncan Creek?

It is owned by the Town or Township Highway Agency.