US Bridges

Witz Road over Trib to Lake Superior

Good

Baraga County, Michigan · 0.5 MI NE of Skanee · Structure no. 000000000012757

Built
2010
15 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
203
2015 count
Owner
County
County Highway Agency

About this bridge

Witz Road over Trib to Lake Superior is a concrete culvert carrying Witz Road over Trib to Lake Superior in Baraga County, Michigan. It was built in 2010, so it is 15 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 203 vehicles a day, roughly 1% of them trucks, projected to reach 350 by 2035. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWitz Road
CrossesTrib to Lake Superior
Location0.5 MI NE of Skanee
RouteCounty Highway 0
Coordinates46.88662, -88.2087
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.4 US tons
Inventory rating57.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length26 ft (7.8 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic203 (2015)
Projected traffic350 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Witz Road over Trib to Lake Superior built?

It was built in 2010, making it 15 years old in 2025.

What condition is Witz Road over Trib to Lake Superior 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 Witz Road over Trib to Lake Superior carry?

About 203 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Witz Road over Trib to Lake Superior?

The structure is 26 ft (7.8 m) long with a longest span of 24 ft (7.3 m).

Who owns Witz Road over Trib to Lake Superior?

It is owned by the County Highway Agency.