US Bridges

TR 91/DIX Twp over Dickerson Slough

Good

Ford County, Illinois · 620E 500N (e/Gibc) · Structure no. 027342200000000

Built
2001
24 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
65 ft
3 main spans
Daily traffic
525
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 91/DIX Twp over Dickerson Slough is a concrete continuous slab carrying TR 91/DIX Twp over Dickerson Slough in Ford County, Illinois. It was built in 2001, so it is 24 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 525 vehicles a day, roughly 21% of them trucks, projected to reach 581 by 2046. The structure is 65 ft (19.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 91/DIX Twp
CrossesDickerson Slough
Location620E 500N (e/Gibc)
RouteCounty Highway 0
Coordinates40.47153, -88.34212
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2023)
Projected traffic581 by 2046
Trucks21%
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 91/DIX Twp over Dickerson Slough built?

It was built in 2001, making it 24 years old in 2025.

What condition is TR 91/DIX Twp over Dickerson Slough in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does TR 91/DIX Twp over Dickerson Slough carry?

About 525 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is TR 91/DIX Twp over Dickerson Slough?

The structure is 65 ft (19.8 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns TR 91/DIX Twp over Dickerson Slough?

It is owned by the Town or Township Highway Agency.