US Bridges

US Route 20 EB over Bike Trail

Fair

Stephenson County, Illinois · 1.75 MI W of Il 26 · Structure no. 089005500000000

Built
1987
38 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
147 ft
3 main spans
Daily traffic
6,150
2023 count
Owner
State
State Highway Agency

About this bridge

US Route 20 EB over Bike Trail is a prestressed concrete continuous stringer/multi-beam or girder carrying US Route 20 EB over Bike Trail in Stephenson County, Illinois. It was built in 1987, so it is 38 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 6,150 vehicles a day, roughly 20% of them trucks, projected to reach 2,980 by 2046. The structure is 147 ft (44.8 m) long and 47 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS Route 20 EB
CrossesBike Trail
Location1.75 MI W of Il 26
RouteU.S. Route 20
Coordinates42.3314, -89.66711
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length147 ft (44.8 m)
Longest span48 ft (14.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,150 (2023)
Projected traffic2,980 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed9.9 mi (16 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 Route 20 EB over Bike Trail built?

It was built in 1987, making it 38 years old in 2025.

What condition is US Route 20 EB over Bike Trail 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 2023.

How much traffic does US Route 20 EB over Bike Trail carry?

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

How long is US Route 20 EB over Bike Trail?

The structure is 147 ft (44.8 m) long with a longest span of 48 ft (14.6 m) and a deck 47 ft wide.

Who owns US Route 20 EB over Bike Trail?

It is owned by the State Highway Agency.