US Bridges

Lrd Mcmillan RD over Squaw Creek

Poor

Marathon County, Wisconsin · 0.8M E JCT Cth T · Structure no. P37093300000000

Built
1956
69 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
122
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Mcmillan RD over Squaw Creek is a steel stringer/multi-beam or girder carrying Lrd Mcmillan RD over Squaw Creek in Marathon County, Wisconsin. It was built in 1956, so it is 69 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 122 vehicles a day, projected to reach 99 by 2043. The structure is 42 ft (12.8 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLrd Mcmillan RD
CrossesSquaw Creek
Location0.8M E JCT Cth T
RouteCity Street 0
Coordinates44.68503, -90.08508
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating43.2 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length42 ft (12.8 m)
Longest span41 ft (12.5 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic122 (2024)
Projected traffic99 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$200,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Mcmillan RD over Squaw Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Lrd Mcmillan RD over Squaw Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Lrd Mcmillan RD over Squaw Creek carry?

About 122 vehicles per day (2024 count).

How long is Lrd Mcmillan RD over Squaw Creek?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 27 ft wide.

Who owns Lrd Mcmillan RD over Squaw Creek?

It is owned by the Town or Township Highway Agency.