US Bridges

TR-405 over Raccoon Creek

Poor

Marion County, Illinois · 3 MI NE Walnut Hill · Structure no. 061315900000000

Built
1971
54 years old
Condition
Poor
inspected January 2024
Type
Channel Beam
Concrete
Length
61 ft
2 main spans
Daily traffic
25
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-405 over Raccoon Creek is a concrete channel beam carrying TR-405 over Raccoon Creek in Marion County, Illinois. It was built in 1971, so it is 54 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, posting recommended but not legally implemented.

It carries about 25 vehicles a day, roughly 12% of them trucks, projected to reach 25 by 2046. The structure is 61 ft (18.6 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR-405
CrossesRaccoon Creek
Location3 MI NE Walnut Hill
RouteCounty Highway 0
CountyMarion County
StateIllinois
Coordinates38.50489, -88.97672
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating19 US tons
Inventory rating4.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span29 ft (8.8 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR-405 over Raccoon Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is TR-405 over Raccoon Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does TR-405 over Raccoon Creek carry?

About 25 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is TR-405 over Raccoon Creek?

The structure is 61 ft (18.6 m) long with a longest span of 29 ft (8.8 m) and a deck 23 ft wide.

Who owns TR-405 over Raccoon Creek?

It is owned by the Town or Township Highway Agency.