US Bridges

Lake Road over Mud Creek

PoorPosted for load

Gogebic County, Michigan · Sec 9-10 Ironwood Twp · Structure no. 000000000002981

Built
1932
93 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
368
1998 count
Owner
County
County Highway Agency

About this bridge

Lake Road over Mud Creek is a steel stringer/multi-beam or girder carrying Lake Road over Mud Creek in Gogebic County, Michigan. It was built in 1932, so it is 93 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 368 vehicles a day, projected to reach 368 by 2018. The structure is 41 ft (12.5 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesLake Road
CrossesMud Creek
LocationSec 9-10 Ironwood Twp
RouteCounty Highway 2774
CountyGogebic County
StateMichigan
Coordinates46.5697, -90.17673
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length41 ft (12.5 m)
Longest span38 ft (11.5 m)
Deck width34 ft (10.3 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic368 (1998)
Projected traffic368 by 2018
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$289,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake Road over Mud Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is Lake Road over Mud Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Lake Road over Mud Creek carry?

About 368 vehicles per day (1998 count).

How long is Lake Road over Mud Creek?

The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.5 m) and a deck 34 ft wide.

Who owns Lake Road over Mud Creek?

It is owned by the County Highway Agency.