US Bridges

US 20 over Creek

Fair

Stephenson County, Illinois · 1.37MI E Fairview RD · Structure no. 089108500000000

Built
1900
125 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
6,150
2023 count
Owner
State
State Highway Agency

About this bridge

US 20 over Creek is a concrete culvert carrying US 20 over Creek in Stephenson County, Illinois. It was built in 1900, so it is 125 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 6,150 vehicles a day, roughly 20% of them trucks, projected to reach 5,959 by 2046. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 20
CrossesCreek
Location1.37MI E Fairview RD
RouteU.S. Route 20
CountyStephenson County
StateIllinois
Coordinates42.32229, -89.63823
Functional classUrban Other Principal 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,150 (2023)
Projected traffic5,959 by 2046
Trucks20%
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 Creek built?

It was built in 1900, making it 125 years old in 2025.

What condition is US 20 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 May 2024.

How much traffic does US 20 over Creek carry?

About 6,150 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is US 20 over Creek?

The structure is 27 ft (8.2 m) long with a longest span of 11 ft (3.5 m).

Who owns US 20 over Creek?

It is owned by the State Highway Agency.