US Bridges

Cth Mm / Rimrock R over Nine Springs Creek

Good

Dane County, Wisconsin · 0.8M S JCT Ush 14 · Structure no. B13048400000000

Built
1997
28 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
10,100
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Mm / Rimrock R over Nine Springs Creek is a concrete culvert carrying Cth Mm / Rimrock R over Nine Springs Creek in Dane County, Wisconsin. It was built in 1997, so it is 28 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 10,100 vehicles a day, projected to reach 12,120 by 2043. The structure is 26 ft (8 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCth Mm / Rimrock R
CrossesNine Springs Creek
Location0.8M S JCT Ush 14
RouteCounty Highway 0MM
Coordinates43.02611, -89.38183
Functional classUrban Minor Arterial

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.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (8 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 traffic10,100 (2022)
Projected traffic12,120 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Mm / Rimrock R over Nine Springs Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Cth Mm / Rimrock R over Nine Springs 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 November 2024.

How much traffic does Cth Mm / Rimrock R over Nine Springs Creek carry?

About 10,100 vehicles per day (2022 count).

How long is Cth Mm / Rimrock R over Nine Springs Creek?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m).

Who owns Cth Mm / Rimrock R over Nine Springs Creek?

It is owned by the County Highway Agency.