US Bridges

FAS 559A over Sugar Creek

Fair

Logan County, Illinois · 4.4 MI N I-55 · Structure no. 054304800000000

Built
1976
49 years old, rebuilt 2017
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
347 ft
3 main spans
Daily traffic
250
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 559A over Sugar Creek is a steel continuous stringer/multi-beam or girder carrying FAS 559A over Sugar Creek in Logan County, Illinois. It was built in 1976 and reconstructed in 2017, so it is 49 years old, older 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 250 vehicles a day, roughly 4% of them trucks, projected to reach 289 by 2046. The structure is 347 ft (105.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAS 559A
CrossesSugar Creek
Location4.4 MI N I-55
RouteCounty Highway 0
CountyLogan County
StateIllinois
Coordinates40.24338, -89.36112
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length347 ft (105.9 m)
Longest span74 ft (22.6 m)
Deck width31 ft (9.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic289 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 FAS 559A over Sugar Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2017.

What condition is FAS 559A 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 December 2023.

How much traffic does FAS 559A over Sugar Creek carry?

About 250 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is FAS 559A over Sugar Creek?

The structure is 347 ft (105.9 m) long with a longest span of 74 ft (22.6 m) and a deck 31 ft wide.

Who owns FAS 559A over Sugar Creek?

It is owned by the County Highway Agency.