US Bridges

Old US 50 over Sugar Creek

Fair

Clinton County, Illinois · 1.1 MI W Aviston · Structure no. 014007700000000

Built
2008
17 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
372 ft
5 main spans
Daily traffic
2,950
2020 count
Owner
State
State Highway Agency

About this bridge

Old US 50 over Sugar Creek is a steel continuous stringer/multi-beam or girder carrying Old US 50 over Sugar Creek in Clinton County, Illinois. It was built in 2008, so it is 17 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 2,950 vehicles a day, roughly 10% of them trucks, projected to reach 3,245 by 2046. The structure is 372 ft (113.4 m) long and 36 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

Location

Open in Google Maps
CarriesOld US 50
CrossesSugar Creek
Location1.1 MI W Aviston
RouteCounty Highway 0
CountyClinton County
StateIllinois
Coordinates38.61193, -89.63002
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating68.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length372 ft (113.4 m)
Longest span87 ft (26.5 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,950 (2020)
Projected traffic3,245 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.3 mi (68 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 Old US 50 over Sugar Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Old US 50 over Sugar 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 September 2024.

How much traffic does Old US 50 over Sugar Creek carry?

About 2,950 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Old US 50 over Sugar Creek?

The structure is 372 ft (113.4 m) long with a longest span of 87 ft (26.5 m) and a deck 36 ft wide.

Who owns Old US 50 over Sugar Creek?

It is owned by the State Highway Agency.