US Bridges

FAU-7411 over Big Creek

Good

Macon County, Illinois · S Fort Daniels Area · Structure no. 058339900000000

Built
2017
8 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
625
2021 count
Owner
County
County Highway Agency

About this bridge

FAU-7411 over Big Creek is a prestressed concrete stringer/multi-beam or girder carrying FAU-7411 over Big Creek in Macon County, Illinois. It was built in 2017, so it is 8 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 625 vehicles a day, roughly 9% of them trucks, projected to reach 631 by 2046. The structure is 86 ft (26.1 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAU-7411
CrossesBig Creek
LocationS Fort Daniels Area
Coordinates39.76292, -88.82524
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 25 or greater
Structure length86 ft (26.1 m)
Longest span82 ft (24.9 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2021)
Projected traffic631 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 FAU-7411 over Big Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is FAU-7411 over Big 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 February 2023.

How much traffic does FAU-7411 over Big Creek carry?

About 625 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAU-7411 over Big Creek?

The structure is 86 ft (26.1 m) long with a longest span of 82 ft (24.9 m) and a deck 41 ft wide.

Who owns FAU-7411 over Big Creek?

It is owned by the County Highway Agency.