US Bridges

US20WB Freeport by over Il Rt 75

Fair

Stephenson County, Illinois · NE of Freeport · Structure no. 089008000000000

Built
2004
21 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
179 ft
1 main span
Daily traffic
6,100
2023 count
Owner
State
State Highway Agency

About this bridge

US20WB Freeport by over Il Rt 75 is a steel stringer/multi-beam or girder carrying US20WB Freeport by over Il Rt 75 in Stephenson County, Illinois. It was built in 2004, so it is 21 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 5 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 6,100 vehicles a day, roughly 21% of them trucks, projected to reach 3,535 by 2046. The structure is 179 ft (54.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS20WB Freeport by
CrossesIl Rt 75
LocationNE of Freeport
RouteU.S. Route 20
CountyStephenson County
StateIllinois
Coordinates42.31274, -89.57252
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length179 ft (54.7 m)
Longest span131 ft (39.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,100 (2023)
Projected traffic3,535 by 2046
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US20WB Freeport by over Il Rt 75 built?

It was built in 2004, making it 21 years old in 2025.

What condition is US20WB Freeport by over Il Rt 75 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 December 2023.

How much traffic does US20WB Freeport by over Il Rt 75 carry?

About 6,100 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is US20WB Freeport by over Il Rt 75?

The structure is 179 ft (54.7 m) long with a longest span of 131 ft (39.8 m) and a deck 43 ft wide.

Who owns US20WB Freeport by over Il Rt 75?

It is owned by the State Highway Agency.