US Bridges

Ill 116 over Ellison Creek

Fair

Warren County, Illinois · 4 MI W of Roseville · Structure no. 094004400000000

Built
1991
34 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
850
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 116 over Ellison Creek is a steel stringer/multi-beam or girder carrying Ill 116 over Ellison Creek in Warren County, Illinois. It was built in 1991, so it is 34 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 850 vehicles a day, roughly 22% of them trucks, projected to reach 859 by 2046. The structure is 84 ft (25.6 m) long and 40 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesIll 116
CrossesEllison Creek
Location4 MI W of Roseville
RouteState Highway 116
Coordinates40.73338, -90.74936
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating71.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span81 ft (24.8 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2023)
Projected traffic859 by 2046
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 116 over Ellison Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Ill 116 over Ellison 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 February 2024.

How much traffic does Ill 116 over Ellison Creek carry?

About 850 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is Ill 116 over Ellison Creek?

The structure is 84 ft (25.6 m) long with a longest span of 81 ft (24.8 m) and a deck 40 ft wide.

Who owns Ill 116 over Ellison Creek?

It is owned by the State Highway Agency.