US Bridges

Il 143 over Shoal Creek

Good

Bond County, Illinois · 5.2 MI E of Madco LN · Structure no. 003006200000000

Built
2018
7 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,352 ft
9 main spans
Daily traffic
1,850
2023 count
Owner
State
State Highway Agency

About this bridge

Il 143 over Shoal Creek is a steel continuous stringer/multi-beam or girder carrying Il 143 over Shoal Creek in Bond County, Illinois. It was built in 2018, so it is 7 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,850 vehicles a day, roughly 16% of them trucks, projected to reach 1,515 by 2046. The structure is 1,352 ft (412.1 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesIl 143
CrossesShoal Creek
Location5.2 MI E of Madco LN
RouteState Highway 143
CountyBond County
StateIllinois
Coordinates38.77584, -89.50165
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 25 or greater
Structure length1,352 ft (412.1 m)
Longest span155 ft (47.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,850 (2023)
Projected traffic1,515 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 143 over Shoal Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Il 143 over Shoal Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Il 143 over Shoal Creek carry?

About 1,850 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is Il 143 over Shoal Creek?

The structure is 1,352 ft (412.1 m) long with a longest span of 155 ft (47.2 m) and a deck 35 ft wide.

Who owns Il 143 over Shoal Creek?

It is owned by the State Highway Agency.