US Bridges

FAP-776 (ILL-242) over Big Creek

Good

Hamilton County, Illinois · 6.5 MI S Wayne CO LN · Structure no. 033004500000000

Built
1996
29 years old
Condition
Good
inspected June 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
138 ft
3 main spans
Daily traffic
1,250
2023 count
Owner
State
State Highway Agency

About this bridge

FAP-776 (ILL-242) over Big Creek is a prestressed concrete stringer/multi-beam or girder carrying FAP-776 (ILL-242) over Big Creek in Hamilton County, Illinois. It was built in 1996, so it is 29 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 1,250 vehicles a day, roughly 22% of them trucks, projected to reach 1,263 by 2046. The structure is 138 ft (42.1 m) long and 35 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

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CarriesFAP-776 (ILL-242)
CrossesBig Creek
Location6.5 MI S Wayne CO LN
RouteState Highway 242
CountyHamilton County
StateIllinois
Coordinates38.16205, -88.53863
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2023)
Projected traffic1,263 by 2046
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 FAP-776 (ILL-242) over Big Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is FAP-776 (ILL-242) 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 June 2021.

How much traffic does FAP-776 (ILL-242) over Big Creek carry?

About 1,250 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is FAP-776 (ILL-242) over Big Creek?

The structure is 138 ft (42.1 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns FAP-776 (ILL-242) over Big Creek?

It is owned by the State Highway Agency.