US Bridges

Il 4 over Beaucoup Creek

Fair

Jackson County, Illinois · 0.5 MI West of Il 13 · Structure no. 039007400000000

Built
2012
13 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
448 ft
3 main spans
Daily traffic
1,150
2023 count
Owner
State
State Highway Agency

About this bridge

Il 4 over Beaucoup Creek is a steel continuous stringer/multi-beam or girder carrying Il 4 over Beaucoup Creek in Jackson County, Illinois. It was built in 2012, so it is 13 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 1,150 vehicles a day, roughly 21% of them trucks, projected to reach 1,263 by 2046. The structure is 448 ft (136.6 m) long and 35 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesIl 4
CrossesBeaucoup Creek
Location0.5 MI West of Il 13
RouteState Highway 4
CountyJackson County
StateIllinois
Coordinates37.86218, -89.33322
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length448 ft (136.6 m)
Longest span178 ft (54.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2023)
Projected traffic1,263 by 2046
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 Il 4 over Beaucoup Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Il 4 over Beaucoup 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 January 2025.

How much traffic does Il 4 over Beaucoup Creek carry?

About 1,150 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is Il 4 over Beaucoup Creek?

The structure is 448 ft (136.6 m) long with a longest span of 178 ft (54.3 m) and a deck 35 ft wide.

Who owns Il 4 over Beaucoup Creek?

It is owned by the State Highway Agency.