US Bridges

Il 161 - FAP 805 over W Trib Raccoon Crk

FairPosted for load

Marion County, Illinois · 1.4MI E US51 in Centralia · Structure no. 061201300000000

Built
1930
95 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
8,550
2023 count
Owner
State
State Highway Agency

About this bridge

Il 161 - FAP 805 over W Trib Raccoon Crk is a concrete continuous culvert carrying Il 161 - FAP 805 over W Trib Raccoon Crk in Marion County, Illinois. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 8,550 vehicles a day, roughly 6% of them trucks, projected to reach 8,787 by 2046. The structure is 22 ft (6.8 m) long and 32 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

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CarriesIl 161 - FAP 805
CrossesW Trib Raccoon Crk
Location1.4MI E US51 in Centralia
RouteState Highway 161
CountyMarion County
StateIllinois
Coordinates38.52523, -89.10597
Functional classUrban Other Principal 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating15.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,550 (2023)
Projected traffic8,787 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemYes

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 Il 161 - FAP 805 over W Trib Raccoon Crk built?

It was built in 1930, making it 95 years old in 2025.

What condition is Il 161 - FAP 805 over W Trib Raccoon Crk 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 April 2024.

How much traffic does Il 161 - FAP 805 over W Trib Raccoon Crk carry?

About 8,550 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 161 - FAP 805 over W Trib Raccoon Crk?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Il 161 - FAP 805 over W Trib Raccoon Crk?

It is owned by the State Highway Agency.