US Bridges

FAP-849 (ILL-142) over Big Creek

Fair

Hamilton County, Illinois · 6.1 MI SE Jeff CO LN · Structure no. 033004300000000

Built
1990
35 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
94 ft
3 main spans
Daily traffic
2,350
2023 count
Owner
State
State Highway Agency

About this bridge

FAP-849 (ILL-142) over Big Creek is a steel continuous stringer/multi-beam or girder carrying FAP-849 (ILL-142) over Big Creek in Hamilton County, Illinois. It was built in 1990, so it is 35 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 2,350 vehicles a day, roughly 9% of them trucks, projected to reach 2,576 by 2046. The structure is 94 ft (28.6 m) long and 35 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

Location

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CarriesFAP-849 (ILL-142)
CrossesBig Creek
Location6.1 MI SE Jeff CO LN
RouteState Highway 142
CountyHamilton County
StateIllinois
Coordinates38.157, -88.6164
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length94 ft (28.6 m)
Longest span34 ft (10.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,350 (2023)
Projected traffic2,576 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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-849 (ILL-142) over Big Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is FAP-849 (ILL-142) over Big 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 March 2023.

How much traffic does FAP-849 (ILL-142) over Big Creek carry?

About 2,350 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is FAP-849 (ILL-142) over Big Creek?

The structure is 94 ft (28.6 m) long with a longest span of 34 ft (10.3 m) and a deck 35 ft wide.

Who owns FAP-849 (ILL-142) over Big Creek?

It is owned by the State Highway Agency.