US Bridges

TR-6 over Louse Creek

Fair

Marion County, Illinois · 2 MI SW Patoka · Structure no. 061305300000000

Built
1971
54 years old
Condition
Fair
inspected February 2024
Type
Channel Beam
Concrete
Length
79 ft
3 main spans
Daily traffic
175
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-6 over Louse Creek is a concrete channel beam carrying TR-6 over Louse 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 fair condition with a lowest component rating of 5 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 175 vehicles a day, roughly 15% of them trucks, projected to reach 253 by 2046. The structure is 79 ft (24.1 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesTR-6
CrossesLouse Creek
Location2 MI SW Patoka
RouteCounty Highway 0
CountyMarion County
StateIllinois
Coordinates38.72601, -89.13843
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length79 ft (24.1 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 traffic175 (2022)
Projected traffic253 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-6 over Louse Creek built?

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

What condition is TR-6 over Louse 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 February 2024.

How much traffic does TR-6 over Louse Creek carry?

About 175 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is TR-6 over Louse Creek?

The structure is 79 ft (24.1 m) long with a longest span of 29 ft (8.8 m) and a deck 23 ft wide.

Who owns TR-6 over Louse Creek?

It is owned by the Town or Township Highway Agency.