US Bridges

US-2 over Chicagoan Creek

Poor

Iron County, Michigan · 9.1 MI W of Crystal Falls · Structure no. 000000000004170

Built
1929
96 years old
Condition
Poor
inspected September 2024
Type
Tee Beam
Concrete
Length
31 ft
1 main span
Daily traffic
3,653
2007 count
Owner
State
State Highway Agency

About this bridge

US-2 over Chicagoan Creek is a concrete tee beam carrying US-2 over Chicagoan Creek in Iron County, Michigan. It was built in 1929, so it is 96 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 3,653 vehicles a day, roughly 8% of them trucks, projected to reach 4,070 by 2018. The structure is 31 ft (9.4 m) long and 38 ft wide. If it were closed, the detour would be 36 mi (58 km).

Location

Open in Google Maps
CarriesUS-2
CrossesChicagoan Creek
Location9.1 MI W of Crystal Falls
RouteU.S. Route 2
CountyIron County
StateMichigan
Coordinates46.10207, -88.50686
Functional classRural Principal Arterial - Other

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.
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 18 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,653 (2007)
Projected traffic4,070 by 2018
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US-2 over Chicagoan Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is US-2 over Chicagoan 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 US-2 over Chicagoan Creek carry?

About 3,653 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is US-2 over Chicagoan Creek?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 38 ft wide.

Who owns US-2 over Chicagoan Creek?

It is owned by the State Highway Agency.