US Bridges

Sth 133 over Marsh Creek

Good

Iowa County, Wisconsin · 2.0M N JCT Cth N · Structure no. B25006900000000

Built
1990
35 years old
Condition
Good
inspected April 2021
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
1,200
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 133 over Marsh Creek is a concrete continuous culvert carrying Sth 133 over Marsh Creek in Iowa County, Wisconsin. It was built in 1990, so it is 35 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,200 vehicles a day, roughly 4% of them trucks, projected to reach 1,440 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 10.6 mi (17 km).

CarriesSth 133
CrossesMarsh Creek
Location2.0M N JCT Cth N
RouteState Highway 133
Coordinates43.18203, -90.26671
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2022)
Projected traffic1,440 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 133 over Marsh Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Sth 133 over Marsh Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2021.

How much traffic does Sth 133 over Marsh Creek carry?

About 1,200 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Sth 133 over Marsh Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Sth 133 over Marsh Creek?

It is owned by the State Highway Agency.