US Bridges

STH13 SB over Mill Creek

Good

Wood County, Wisconsin · .4 M N. of US 10(CTH A) · Structure no. B71017100000000

Built
2011
14 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
44 ft
1 main span
Daily traffic
8,700
2021 count
Owner
State
State Highway Agency

About this bridge

STH13 SB over Mill Creek is a concrete slab carrying STH13 SB over Mill Creek in Wood County, Wisconsin. It was built in 2011, so it is 14 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 8,700 vehicles a day, projected to reach 10,440 by 2041. The structure is 44 ft (13.3 m) long and 49 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesSTH13 SB
CrossesMill Creek
Location.4 M N. of US 10(CTH A)
RouteState Highway 0
Coordinates44.63286, -90.14008
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length44 ft (13.3 m)
Longest span41 ft (12.5 m)
Deck width49 ft (14.8 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,700 (2021)
Projected traffic10,440 by 2041
Trucks0%
Lanes on structure2
Traffic directionOne-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 STH13 SB over Mill Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is STH13 SB over Mill 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 September 2023.

How much traffic does STH13 SB over Mill Creek carry?

About 8,700 vehicles per day (2021 count).

How long is STH13 SB over Mill Creek?

The structure is 44 ft (13.3 m) long with a longest span of 41 ft (12.5 m) and a deck 49 ft wide.

Who owns STH13 SB over Mill Creek?

It is owned by the State Highway Agency.