US Bridges

Sth 39 over Laxey Creek

Fair

Iowa County, Wisconsin · 1.5M E JCT Cth X · Structure no. B25056800000000

Built
1939
86 years old, rebuilt 1991
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
2 main spans
Daily traffic
2,000
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 39 over Laxey Creek is a steel stringer/multi-beam or girder carrying Sth 39 over Laxey Creek in Iowa County, Wisconsin. It was built in 1939 and reconstructed in 1991, so it is 86 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 2,000 vehicles a day, roughly 5% of them trucks, projected to reach 2,290 by 2042. The structure is 98 ft (29.9 m) long and 34 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesSth 39
CrossesLaxey Creek
Location1.5M E JCT Cth X
RouteState Highway 39
Coordinates42.90759, -90.24972
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 rating110.1 US tons
Inventory rating70.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length98 ft (29.9 m)
Longest span48 ft (14.7 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic2,290 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 39 over Laxey Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1991.

What condition is Sth 39 over Laxey 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 August 2024.

How much traffic does Sth 39 over Laxey Creek carry?

About 2,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Sth 39 over Laxey Creek?

The structure is 98 ft (29.9 m) long with a longest span of 48 ft (14.7 m) and a deck 34 ft wide.

Who owns Sth 39 over Laxey Creek?

It is owned by the State Highway Agency.