US Bridges

US 20 EB over Ill Rt 26

Fair

Stephenson County, Illinois · 1 MI N Freeport · Structure no. 089005600000000

Built
1986
39 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
169 ft
2 main spans
Daily traffic
7,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 20 EB over Ill Rt 26 is a prestressed concrete continuous stringer/multi-beam or girder carrying US 20 EB over Ill Rt 26 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 7,300 vehicles a day, roughly 20% of them trucks, projected to reach 3,459 by 2046. The structure is 169 ft (51.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 20 EB
CrossesIll Rt 26
Location1 MI N Freeport
RouteU.S. Route 20
Coordinates42.32153, -89.63243
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span82 ft (24.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,300 (2023)
Projected traffic3,459 by 2046
Trucks20%
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 over Ill Rt 26 built?

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

What condition is US 20 EB over Ill Rt 26 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 January 2024.

How much traffic does US 20 EB over Ill Rt 26 carry?

About 7,300 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is US 20 EB over Ill Rt 26?

The structure is 169 ft (51.5 m) long with a longest span of 82 ft (24.9 m) and a deck 43 ft wide.

Who owns US 20 EB over Ill Rt 26?

It is owned by the State Highway Agency.