US Bridges

Il 54 over Big Four Ditch

Good

Ford County, Illinois · 7.62M N of Il 9 · Structure no. 027010300000000

Built
2016
9 years old
Condition
Good
inspected February 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
92 ft
1 main span
Daily traffic
1,650
2023 count
Owner
State
State Highway Agency

About this bridge

Il 54 over Big Four Ditch is a steel stringer/multi-beam or girder carrying Il 54 over Big Four Ditch in Ford County, Illinois. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,650 vehicles a day, roughly 17% of them trucks, projected to reach 1,465 by 2046. The structure is 92 ft (27.9 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIl 54
CrossesBig Four Ditch
Location7.62M N of Il 9
RouteState Highway 54
Coordinates40.54175, -88.2819
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.6 US tons
Inventory rating69.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length92 ft (27.9 m)
Longest span88 ft (26.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2023)
Projected traffic1,465 by 2046
Trucks17%
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

OwnerState Highway Agency
Maintained byState 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 Il 54 over Big Four Ditch built?

It was built in 2016, making it 9 years old in 2025.

What condition is Il 54 over Big Four Ditch 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 February 2021.

How much traffic does Il 54 over Big Four Ditch carry?

About 1,650 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Il 54 over Big Four Ditch?

The structure is 92 ft (27.9 m) long with a longest span of 88 ft (26.9 m) and a deck 35 ft wide.

Who owns Il 54 over Big Four Ditch?

It is owned by the State Highway Agency.