US Bridges

Ill 49(FAP 840) over Trib Stony Creek

Fair

Vermilion County, Illinois · 3 MI NW of Fithian · Structure no. 092017100000000

Built
1975
50 years old, rebuilt 2013
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
94 ft
2 main spans
Daily traffic
1,350
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 49(FAP 840) over Trib Stony Creek is a prestressed concrete box beam or girders - multiple carrying Ill 49(FAP 840) over Trib Stony Creek in Vermilion County, Illinois. It was built in 1975 and reconstructed in 2013, so it is 50 years old, older 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 1,350 vehicles a day, roughly 25% of them trucks, projected to reach 1,465 by 2046. The structure is 94 ft (28.7 m) long and 33 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesIll 49(FAP 840)
CrossesTrib Stony Creek
Location3 MI NW of Fithian
RouteState Highway 49
Coordinates40.17087, -87.90357
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating51.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span47 ft (14.3 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2023)
Projected traffic1,465 by 2046
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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 Ill 49(FAP 840) over Trib Stony Creek built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2013.

What condition is Ill 49(FAP 840) over Trib Stony 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 December 2024.

How much traffic does Ill 49(FAP 840) over Trib Stony Creek carry?

About 1,350 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is Ill 49(FAP 840) over Trib Stony Creek?

The structure is 94 ft (28.7 m) long with a longest span of 47 ft (14.3 m) and a deck 33 ft wide.

Who owns Ill 49(FAP 840) over Trib Stony Creek?

It is owned by the State Highway Agency.