US Bridges

Sth 130 over Otter Creek

Fair

Iowa County, Wisconsin · 0.1M N JCT Cth Nn · Structure no. B25093400000000

Built
1923
102 years old, rebuilt 1990
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
350
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 130 over Otter Creek is a concrete slab carrying Sth 130 over Otter Creek in Iowa County, Wisconsin. It was built in 1923 and reconstructed in 1990, so it is 102 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 350 vehicles a day, roughly 5% of them trucks, projected to reach 420 by 2042. The structure is 26 ft (7.8 m) long and 28 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesSth 130
CrossesOtter Creek
Location0.1M N JCT Cth Nn
RouteState Highway 130
Coordinates43.13279, -90.21658
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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 rating70.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic420 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 130 over Otter Creek built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1990.

What condition is Sth 130 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 October 2023.

How much traffic does Sth 130 over Otter Creek carry?

About 350 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Sth 130 over Otter Creek?

The structure is 26 ft (7.8 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns Sth 130 over Otter Creek?

It is owned by the State Highway Agency.