US Bridges

US 20 over Kent Creek

Fair

Winnebago County, Illinois · 1.3 MI E Meridian RD · Structure no. 101200700000000

Built
1964
61 years old
Condition
Fair
inspected November 2023
Type
Culvert
Steel
Length
49 ft
3 main spans
Daily traffic
14,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 20 over Kent Creek is a steel culvert carrying US 20 over Kent Creek in Winnebago County, Illinois. It was built in 1964, so it is 61 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 14,600 vehicles a day, roughly 15% of them trucks, projected to reach 15,655 by 2046. The structure is 49 ft (14.9 m) long and 120 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 20
CrossesKent Creek
Location1.3 MI E Meridian RD
RouteU.S. Route 20
Coordinates42.25806, -89.14909
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span15 ft (4.7 m)
Deck width120 ft (36.6 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,600 (2023)
Projected traffic15,655 by 2046
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 20 over Kent Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is US 20 over Kent 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 November 2023.

How much traffic does US 20 over Kent Creek carry?

About 14,600 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is US 20 over Kent Creek?

The structure is 49 ft (14.9 m) long with a longest span of 15 ft (4.7 m) and a deck 120 ft wide.

Who owns US 20 over Kent Creek?

It is owned by the State Highway Agency.