US Bridges

FAS 548 (ch 58) over Lake Fork Creek

Fair

Macon County, Illinois · 1.25 MI W Maroa · Structure no. 058335700000000

Built
2002
23 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
375
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 548 (ch 58) over Lake Fork Creek is a prestressed concrete box beam or girders - multiple carrying FAS 548 (ch 58) over Lake Fork Creek in Macon County, Illinois. It was built in 2002, so it is 23 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 375 vehicles a day, roughly 6% of them trucks, projected to reach 379 by 2046. The structure is 66 ft (20.1 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS 548 (ch 58)
CrossesLake Fork Creek
Location1.25 MI W Maroa
RouteCounty Highway 0
Coordinates40.03652, -88.99038
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span63 ft (19.1 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2024)
Projected traffic379 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 548 (ch 58) over Lake Fork Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is FAS 548 (ch 58) over Lake Fork 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 February 2025.

How much traffic does FAS 548 (ch 58) over Lake Fork Creek carry?

About 375 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is FAS 548 (ch 58) over Lake Fork Creek?

The structure is 66 ft (20.1 m) long with a longest span of 63 ft (19.1 m) and a deck 28 ft wide.

Who owns FAS 548 (ch 58) over Lake Fork Creek?

It is owned by the County Highway Agency.