US Bridges

Sth 70 over Mud Creek

Good

Oneida County, Wisconsin · 3.1M E JCT Cth F · Structure no. B43001300000000

Built
1966
59 years old, rebuilt 2010
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
6,000
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 70 over Mud Creek is a steel stringer/multi-beam or girder carrying Sth 70 over Mud Creek in Oneida County, Wisconsin. It was built in 1966 and reconstructed in 2010, so it is 59 years old, older 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 6,000 vehicles a day, roughly 6% of them trucks, projected to reach 6,680 by 2042. The structure is 39 ft (11.9 m) long and 46 ft wide. If it were closed, the detour would be 95.7 mi (154 km).

CarriesSth 70
CrossesMud Creek
Location3.1M E JCT Cth F
RouteState Highway 70
Coordinates45.88926, -89.80658
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating71.7 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span39 ft (11.9 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2022)
Projected traffic6,680 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed95.7 mi (154 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 70 over Mud Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2010.

What condition is Sth 70 over Mud 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 July 2023.

How much traffic does Sth 70 over Mud Creek carry?

About 6,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Sth 70 over Mud Creek?

The structure is 39 ft (11.9 m) long with a longest span of 39 ft (11.9 m) and a deck 46 ft wide.

Who owns Sth 70 over Mud Creek?

It is owned by the State Highway Agency.