US Bridges

US 20 EB Freprt by over Il 75

Fair

Stephenson County, Illinois · NE of Freeport · Structure no. 089004800000000

Built
1986
39 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
185 ft
1 main span
Daily traffic
6,100
2023 count
Owner
State
State Highway Agency

About this bridge

US 20 EB Freprt by over Il 75 is a steel stringer/multi-beam or girder carrying US 20 EB Freprt by over Il 75 in Stephenson County, Illinois. It was built in 1986, so it is 39 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 6,100 vehicles a day, roughly 21% of them trucks, projected to reach 3,535 by 2046. The structure is 185 ft (56.4 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 20 EB Freprt by
CrossesIl 75
LocationNE of Freeport
RouteU.S. Route 20
Coordinates42.31273, -89.57292
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span136 ft (41.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 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 US 20 EB Freprt by over Il 75 built?

It was built in 1986, making it 39 years old in 2025.

What condition is US 20 EB Freprt by over Il 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 US 20 EB Freprt by over Il 75 carry?

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

How long is US 20 EB Freprt by over Il 75?

The structure is 185 ft (56.4 m) long with a longest span of 136 ft (41.5 m) and a deck 47 ft wide.

Who owns US 20 EB Freprt by over Il 75?

It is owned by the State Highway Agency.