US Bridges

TR 41 over Kaskaskia River

Fair

Coles County, Illinois · 2.0 MI NE Cooks Mill · Structure no. 015338000000000

Built
2004
21 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
224 ft
3 main spans
Daily traffic
350
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 41 over Kaskaskia River is a prestressed concrete box beam or girders - multiple carrying TR 41 over Kaskaskia River in Coles County, Illinois. It was built in 2004, so it is 21 years old, younger 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 350 vehicles a day, roughly 5% of them trucks, projected to reach 303 by 2046. The structure is 224 ft (68.3 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 41
CrossesKaskaskia River
Location2.0 MI NE Cooks Mill
RouteCounty Highway 0
Coordinates39.60658, -88.37913
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment7: Better than present minimum criteria
Operating rating44.6 US tons
Inventory rating26.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length224 ft (68.3 m)
Longest span74 ft (22.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2024)
Projected traffic303 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 41 over Kaskaskia River built?

It was built in 2004, making it 21 years old in 2025.

What condition is TR 41 over Kaskaskia River 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 TR 41 over Kaskaskia River carry?

About 350 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is TR 41 over Kaskaskia River?

The structure is 224 ft (68.3 m) long with a longest span of 74 ft (22.6 m) and a deck 24 ft wide.

Who owns TR 41 over Kaskaskia River?

It is owned by the Town or Township Highway Agency.