US Bridges

Sth 52-STH 55 over Lily River

Fair

Langlade County, Wisconsin · 0.1M E JCT Sth 55 to N · Structure no. B34000300000000

Built
1951
74 years old, rebuilt 1992
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
510
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 52-STH 55 over Lily River is a steel stringer/multi-beam or girder carrying Sth 52-STH 55 over Lily River in Langlade County, Wisconsin. It was built in 1951 and reconstructed in 1992, so it is 74 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 510 vehicles a day, roughly 10% of them trucks, projected to reach 460 by 2042. The structure is 57 ft (17.3 m) long and 29 ft wide. If it were closed, the detour would be 60.9 mi (98 km).

CarriesSth 52-STH 55
CrossesLily River
Location0.1M E JCT Sth 55 to N
RouteState Highway 52
Coordinates45.30721, -88.85449
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length57 ft (17.3 m)
Longest span57 ft (17.3 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2022)
Projected traffic460 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.9 mi (98 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Sth 52-STH 55 over Lily River built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1992.

What condition is Sth 52-STH 55 over Lily River 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 2023.

How much traffic does Sth 52-STH 55 over Lily River carry?

About 510 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Sth 52-STH 55 over Lily River?

The structure is 57 ft (17.3 m) long with a longest span of 57 ft (17.3 m) and a deck 29 ft wide.

Who owns Sth 52-STH 55 over Lily River?

It is owned by the State Highway Agency.