US Bridges

Il 75 over Creek

Fair

Winnebago County, Illinois · .06MI SW Rockton Ave · Structure no. 101108400000000

Built
2010
15 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
2,250
2023 count
Owner
State
State Highway Agency

About this bridge

Il 75 over Creek is a concrete culvert carrying Il 75 over Creek in Winnebago County, Illinois. It was built in 2010, so it is 15 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 2,250 vehicles a day, roughly 12% of them trucks, projected to reach 2,929 by 2046. The structure is 34 ft (10.3 m) long and 72 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesIl 75
CrossesCreek
Location.06MI SW Rockton Ave
RouteState Highway 75
CountyWinnebago County
StateIllinois
Coordinates42.4409, -89.1001
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating72.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length34 ft (10.3 m)
Longest span16 ft (4.8 m)
Deck width72 ft (21.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,250 (2023)
Projected traffic2,929 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 75 over Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Il 75 over 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 September 2024.

How much traffic does Il 75 over Creek carry?

About 2,250 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Il 75 over Creek?

The structure is 34 ft (10.3 m) long with a longest span of 16 ft (4.8 m) and a deck 72 ft wide.

Who owns Il 75 over Creek?

It is owned by the State Highway Agency.