US Bridges

TR 24 Dix over Dickerson Slough

Fair

Ford County, Illinois · 390N 600E · Structure no. 027307900000000

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
3 main spans
Daily traffic
100
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 24 Dix over Dickerson Slough is a prestressed concrete box beam or girders - multiple carrying TR 24 Dix over Dickerson Slough in Ford County, Illinois. It was built in 1970, so it is 55 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 100 vehicles a day, roughly 30% of them trucks, projected to reach 101 by 2046. The structure is 53 ft (16.2 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 24 Dix
CrossesDickerson Slough
Location390N 600E
RouteCounty Highway 0
Coordinates40.45476, -88.34698
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 protection7 GoodSome minor problems.
Last inspectionMay 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length53 ft (16.2 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic101 by 2046
Trucks30%
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 24 Dix over Dickerson Slough built?

It was built in 1970, making it 55 years old in 2025.

What condition is TR 24 Dix over Dickerson Slough 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 May 2023.

How much traffic does TR 24 Dix over Dickerson Slough carry?

About 100 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is TR 24 Dix over Dickerson Slough?

The structure is 53 ft (16.2 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns TR 24 Dix over Dickerson Slough?

It is owned by the Town or Township Highway Agency.