US Bridges

Sth 23 over Br Rush Creek

Fair

Iowa County, Wisconsin · 5.1M E JCT Sth 130 · Structure no. B25005800000000

Built
1988
37 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
2,600
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 23 over Br Rush Creek is a concrete continuous culvert carrying Sth 23 over Br Rush Creek in Iowa County, Wisconsin. It was built in 1988, so it is 37 years old, younger 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 2,600 vehicles a day, roughly 8% of them trucks, projected to reach 3,120 by 2042. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 31.7 mi (51 km).

CarriesSth 23
CrossesBr Rush Creek
Location5.1M E JCT Sth 130
RouteState Highway 23
Coordinates43.11529, -90.11304
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
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 length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2022)
Projected traffic3,120 by 2042
Trucks8%
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 23 over Br Rush Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Sth 23 over Br Rush 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 23 over Br Rush Creek carry?

About 2,600 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 23 over Br Rush Creek?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Sth 23 over Br Rush Creek?

It is owned by the State Highway Agency.