US Bridges

Il 161 - FAP 805 over Raccoon Creek

Fair

Marion County, Illinois · 3 MI E Centralia · Structure no. 061007100000000

Built
1974
51 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
173 ft
3 main spans
Daily traffic
5,150
2023 count
Owner
State
State Highway Agency

About this bridge

Il 161 - FAP 805 over Raccoon Creek is a steel continuous stringer/multi-beam or girder carrying Il 161 - FAP 805 over Raccoon Creek in Marion County, Illinois. It was built in 1974, so it is 51 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 5,150 vehicles a day, roughly 6% of them trucks, projected to reach 5,959 by 2046. The structure is 173 ft (52.7 m) long and 46 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesIl 161 - FAP 805
CrossesRaccoon Creek
Location3 MI E Centralia
RouteState Highway 161
Coordinates38.52497, -89.05806
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length173 ft (52.7 m)
Longest span63 ft (19.2 m)
Deck width46 ft (14 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,150 (2023)
Projected traffic5,959 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 Raccoon Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Il 161 - FAP 805 over Raccoon 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 April 2023.

How much traffic does Il 161 - FAP 805 over Raccoon Creek carry?

About 5,150 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 161 - FAP 805 over Raccoon Creek?

The structure is 173 ft (52.7 m) long with a longest span of 63 ft (19.2 m) and a deck 46 ft wide.

Who owns Il 161 - FAP 805 over Raccoon Creek?

It is owned by the State Highway Agency.