US Bridges

Wittanen Road over Jackson Creek

FairPosted for load

Gogebic County, Michigan · Sec 13 Wakefield Twp · Structure no. 000000000003021

Built
1940
85 years old, rebuilt 2003
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
5
2004 count
Owner
County
County Highway Agency

About this bridge

Wittanen Road over Jackson Creek is a steel stringer/multi-beam or girder carrying Wittanen Road over Jackson Creek in Gogebic County, Michigan. It was built in 1940 and reconstructed in 2003, so it is 85 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, projected to reach 5 by 2024. The structure is 38 ft (11.6 m) long and 16 ft wide. If it were closed, the detour would be 124.3 mi (200 km).

CarriesWittanen Road
CrossesJackson Creek
LocationSec 13 Wakefield Twp
RouteCounty Highway 0
Coordinates46.46998, -89.87934
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating19.3 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span34 ft (10.4 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2004)
Projected traffic5 by 2024
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.3 mi (200 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$283,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Wittanen Road over Jackson Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2003.

What condition is Wittanen Road over Jackson Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Wittanen Road over Jackson Creek carry?

About 5 vehicles per day (2004 count).

How long is Wittanen Road over Jackson Creek?

The structure is 38 ft (11.6 m) long with a longest span of 34 ft (10.4 m) and a deck 16 ft wide.

Who owns Wittanen Road over Jackson Creek?

It is owned by the County Highway Agency.