US Bridges

Ill 78 over Kickapoo Creek Trib

Poor

Peoria County, Illinois · 2.1 M N of Ill 116 · Structure no. 072016000000000

Built
1990
35 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
87 ft
1 main span
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 78 over Kickapoo Creek Trib is a steel stringer/multi-beam or girder carrying Ill 78 over Kickapoo Creek Trib in Peoria County, Illinois. It was built in 1990, so it is 35 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,700 vehicles a day, roughly 11% of them trucks, projected to reach 1,768 by 2046. The structure is 87 ft (26.5 m) long and 35 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesIll 78
CrossesKickapoo Creek Trib
Location2.1 M N of Ill 116
RouteState Highway 78
Coordinates40.72781, -89.98593
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86.4 US tons
Inventory rating51.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span82 ft (25.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic1,768 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Ill 78 over Kickapoo Creek Trib built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ill 78 over Kickapoo Creek Trib in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Ill 78 over Kickapoo Creek Trib carry?

About 1,700 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Ill 78 over Kickapoo Creek Trib?

The structure is 87 ft (26.5 m) long with a longest span of 82 ft (25.1 m) and a deck 35 ft wide.

Who owns Ill 78 over Kickapoo Creek Trib?

It is owned by the State Highway Agency.