US Bridges

FAS 303 Idlewild over Fortune Creek

PoorClosed to traffic

Iron County, Michigan · 1.0 MI S 0.5 MI E US2 · Structure no. 000000000004184

Built
1921
104 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
130
1998 count
Owner
County
County Highway Agency

About this bridge

FAS 303 Idlewild over Fortune Creek is a steel stringer/multi-beam or girder carrying FAS 303 Idlewild over Fortune Creek in Iron County, Michigan. It was built in 1921, so it is 104 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 2 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: closed to all traffic.

It carries about 130 vehicles a day, projected to reach 150 by 2018. The structure is 37 ft (11.2 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 303 Idlewild
CrossesFortune Creek
Location1.0 MI S 0.5 MI E US2
RouteCounty Highway 0
Coordinates46.0818, -88.42406
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length37 ft (11.2 m)
Longest span33 ft (10 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (1998)
Projected traffic150 by 2018
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$190,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 303 Idlewild over Fortune Creek built?

It was built in 1921, making it 104 years old in 2025.

What condition is FAS 303 Idlewild over Fortune 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 FAS 303 Idlewild over Fortune Creek carry?

About 130 vehicles per day (1998 count).

How long is FAS 303 Idlewild over Fortune Creek?

The structure is 37 ft (11.2 m) long with a longest span of 33 ft (10 m) and a deck 19 ft wide.

Who owns FAS 303 Idlewild over Fortune Creek?

It is owned by the County Highway Agency.