US Bridges

Sth 179 over Otter Creek

Fair

Crawford County, Wisconsin · 2.4M E JCT Sth 27 · Structure no. B12002400000000

Built
1967
58 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
560
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 179 over Otter Creek is a prestressed concrete stringer/multi-beam or girder carrying Sth 179 over Otter Creek in Crawford County, Wisconsin. It was built in 1967, so it is 58 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.

It carries about 560 vehicles a day, roughly 7% of them trucks, projected to reach 500 by 2042. The structure is 71 ft (21.5 m) long and 36 ft wide. If it were closed, the detour would be 23.6 mi (38 km).

CarriesSth 179
CrossesOtter Creek
Location2.4M E JCT Sth 27
RouteState Highway 179
Coordinates43.17884, -90.97224
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating21.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length71 ft (21.5 m)
Longest span68 ft (20.7 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2022)
Projected traffic500 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23.6 mi (38 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 179 over Otter Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Sth 179 over Otter 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 April 2023.

How much traffic does Sth 179 over Otter Creek carry?

About 560 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Sth 179 over Otter Creek?

The structure is 71 ft (21.5 m) long with a longest span of 68 ft (20.7 m) and a deck 36 ft wide.

Who owns Sth 179 over Otter Creek?

It is owned by the State Highway Agency.