US Bridges

Ill 26 over Crow Creek Overflow

Fair

Marshall County, Illinois · 6.3 MI S of Ill 17 · Structure no. 062006000000000

Built
1993
32 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
175 ft
3 main spans
Daily traffic
2,350
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 26 over Crow Creek Overflow is a steel continuous stringer/multi-beam or girder carrying Ill 26 over Crow Creek Overflow in Marshall County, Illinois. It was built in 1993, so it is 32 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 2,350 vehicles a day, roughly 11% of them trucks, projected to reach 1,667 by 2046. The structure is 175 ft (53.3 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIll 26
CrossesCrow Creek Overflow
Location6.3 MI S of Ill 17
RouteState Highway 26
Coordinates40.93587, -89.43003
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating45.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span64 ft (19.4 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,350 (2023)
Projected traffic1,667 by 2046
Trucks11%
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

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 Ill 26 over Crow Creek Overflow built?

It was built in 1993, making it 32 years old in 2025.

What condition is Ill 26 over Crow Creek Overflow 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 November 2023.

How much traffic does Ill 26 over Crow Creek Overflow carry?

About 2,350 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Ill 26 over Crow Creek Overflow?

The structure is 175 ft (53.3 m) long with a longest span of 64 ft (19.4 m) and a deck 37 ft wide.

Who owns Ill 26 over Crow Creek Overflow?

It is owned by the State Highway Agency.