US Bridges

Ill 143 over Sugar Fork Creek

Good

Madison County, Illinois · 1.7 M E Marine · Structure no. 060015000000000

Built
1939
86 years old, rebuilt 2007
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
126 ft
3 main spans
Daily traffic
4,450
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 143 over Sugar Fork Creek is a prestressed concrete box beam or girders - multiple carrying Ill 143 over Sugar Fork Creek in Madison County, Illinois. It was built in 1939 and reconstructed in 2007, so it is 86 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,450 vehicles a day, roughly 6% of them trucks, projected to reach 4,976 by 2046. The structure is 126 ft (38.4 m) long and 33 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesIll 143
CrossesSugar Fork Creek
Location1.7 M E Marine
RouteState Highway 143
CountyMadison County
StateIllinois
Coordinates38.77878, -89.74737
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating48.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,450 (2023)
Projected traffic4,976 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$653,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ill 143 over Sugar Fork Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2007.

What condition is Ill 143 over Sugar Fork 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 Ill 143 over Sugar Fork Creek carry?

About 4,450 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Ill 143 over Sugar Fork Creek?

The structure is 126 ft (38.4 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns Ill 143 over Sugar Fork Creek?

It is owned by the State Highway Agency.