US Bridges

Lake Road over Spring Creek

Poor

Gogebic County, Michigan · Sec 34-35 Ironwood Twp · Structure no. 000000000002980

Built
1936
89 years old
Condition
Poor
inspected September 2024
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
893
1998 count
Owner
County
County Highway Agency

About this bridge

Lake Road over Spring Creek is a concrete tee beam carrying Lake Road over Spring Creek in Gogebic County, Michigan. It was built in 1936, so it is 89 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.

It carries about 893 vehicles a day, projected to reach 893 by 2018. The structure is 27 ft (8.2 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLake Road
CrossesSpring Creek
LocationSec 34-35 Ironwood Twp
RouteCounty Highway 2778
Coordinates46.51298, -90.15599
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating39.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width50 ft (15.3 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic893 (1998)
Projected traffic893 by 2018
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$193,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake Road over Spring Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is Lake Road over Spring 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 Spring Creek carry?

About 893 vehicles per day (1998 count).

How long is Lake Road over Spring Creek?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 50 ft wide.

Who owns Lake Road over Spring Creek?

It is owned by the County Highway Agency.