US Bridges

FAS 548 over Lake Fork Creek

Good

Macon County, Illinois · 1.1 MI W Maroa · Structure no. 058337800000000

Built
2010
15 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
375
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 548 over Lake Fork Creek is a prestressed concrete box beam or girders - multiple carrying FAS 548 over Lake Fork Creek in Macon County, Illinois. It was built in 2010, so it is 15 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 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 375 vehicles a day, roughly 6% of them trucks, projected to reach 379 by 2046. The structure is 60 ft (18.2 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS 548
CrossesLake Fork Creek
Location1.1 MI W Maroa
RouteCounty Highway 0
Coordinates40.0368, -88.97767
Functional classRural Major Collector

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 inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 25 or greater
Structure length60 ft (18.2 m)
Longest span57 ft (17.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 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 over Lake Fork Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is FAS 548 over Lake 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 January 2024.

How much traffic does FAS 548 over Lake Fork Creek carry?

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

How long is FAS 548 over Lake Fork Creek?

The structure is 60 ft (18.2 m) long with a longest span of 57 ft (17.4 m) and a deck 30 ft wide.

Who owns FAS 548 over Lake Fork Creek?

It is owned by the County Highway Agency.