US Bridges

US 67 / Ill 100 over Indian Creek

Fair

Cass County, Illinois · 6M S Il 125 · Structure no. 009001200000000

Built
1991
34 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
292 ft
4 main spans
Daily traffic
1,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 67 / Ill 100 over Indian Creek is a steel continuous stringer/multi-beam or girder carrying US 67 / Ill 100 over Indian Creek in Cass County, Illinois. It was built in 1991, so it is 34 years old, younger than the Illinois average of 45.3 years.

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

It carries about 1,800 vehicles a day, roughly 22% of them trucks, projected to reach 2,071 by 2046. The structure is 292 ft (89 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 67 / Ill 100
CrossesIndian Creek
Location6M S Il 125
RouteU.S. Route 67
Coordinates39.93081, -90.49444
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length292 ft (89 m)
Longest span95 ft (29 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic2,071 by 2046
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 67 / Ill 100 over Indian Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is US 67 / Ill 100 over Indian 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 February 2025.

How much traffic does US 67 / Ill 100 over Indian Creek carry?

About 1,800 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is US 67 / Ill 100 over Indian Creek?

The structure is 292 ft (89 m) long with a longest span of 95 ft (29 m) and a deck 35 ft wide.

Who owns US 67 / Ill 100 over Indian Creek?

It is owned by the State Highway Agency.