US Bridges

Ill 116 over Rooks Creek

Fair

Livingston County, Illinois · 3.87 M W of I-55 · Structure no. 053006400000000

Built
1970
55 years old, rebuilt 1997
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
76 ft
2 main spans
Daily traffic
3,050
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 116 over Rooks Creek is a concrete continuous slab carrying Ill 116 over Rooks Creek in Livingston County, Illinois. It was built in 1970 and reconstructed in 1997, 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 3,050 vehicles a day, roughly 11% of them trucks, projected to reach 2,677 by 2046. The structure is 76 ft (23.1 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIll 116
CrossesRooks Creek
Location3.87 M W of I-55
RouteState Highway 116
Coordinates40.87257, -88.74507
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length76 ft (23.1 m)
Longest span38 ft (11.6 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,050 (2023)
Projected traffic2,677 by 2046
Trucks11%
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 Ill 116 over Rooks Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1997.

What condition is Ill 116 over Rooks 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 January 2024.

How much traffic does Ill 116 over Rooks Creek carry?

About 3,050 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Ill 116 over Rooks Creek?

The structure is 76 ft (23.1 m) long with a longest span of 38 ft (11.6 m) and a deck 43 ft wide.

Who owns Ill 116 over Rooks Creek?

It is owned by the State Highway Agency.