US Bridges

TR 24 (TH-R66) over Creek

Fair

Marshall County, Illinois · T12N-R8E-4PM Sec 13 · Structure no. 062514600000000

Built
1980
45 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 24 (TH-R66) over Creek is a prestressed concrete box beam or girders - multiple carrying TR 24 (TH-R66) over Creek in Marshall County, Illinois. It was built in 1980, so it is 45 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 50 vehicles a day, projected to reach 51 by 2046. The structure is 75 ft (22.9 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesTR 24 (TH-R66)
CrossesCreek
LocationT12N-R8E-4PM Sec 13
RouteCounty Highway 0
CountyMarshall County
StateIllinois
Coordinates41.02917, -89.5341
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length75 ft (22.9 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 traffic50 (2024)
Projected traffic51 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 24 (TH-R66) over Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is TR 24 (TH-R66) over 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 August 2023.

How much traffic does TR 24 (TH-R66) over Creek carry?

About 50 vehicles per day (2024 count).

How long is TR 24 (TH-R66) over Creek?

The structure is 75 ft (22.9 m) long with a longest span of 74 ft (22.6 m) and a deck 24 ft wide.

Who owns TR 24 (TH-R66) over Creek?

It is owned by the Town or Township Highway Agency.