US Bridges

Cth Bb over Mothers Run Creek

Good

Richland County, Wisconsin · 0.01M N JCT Cth B · Structure no. B52023000000000

Built
1999
26 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
470
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Bb over Mothers Run Creek is a concrete slab carrying Cth Bb over Mothers Run Creek in Richland County, Wisconsin. It was built in 1999, so it is 26 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 470 vehicles a day, projected to reach 517 by 2043. The structure is 28 ft (8.4 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCth Bb
CrossesMothers Run Creek
Location0.01M N JCT Cth B
RouteCounty Highway 0BB
Coordinates43.28194, -90.29139
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic470 (2022)
Projected traffic517 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cth Bb over Mothers Run Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Cth Bb over Mothers Run 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 2024.

How much traffic does Cth Bb over Mothers Run Creek carry?

About 470 vehicles per day (2022 count).

How long is Cth Bb over Mothers Run Creek?

The structure is 28 ft (8.4 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns Cth Bb over Mothers Run Creek?

It is owned by the County Highway Agency.