US Bridges

River Road over US 20 Freeport Bypas

Fair

Stephenson County, Illinois · 2 MI NE of Freeport · Structure no. 089004900000000

Built
1984
41 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
261 ft
2 main spans
Daily traffic
375
2024 count
Owner
State
State Highway Agency

About this bridge

River Road over US 20 Freeport Bypas is a prestressed concrete continuous stringer/multi-beam or girder carrying River Road over US 20 Freeport Bypas in Stephenson County, Illinois. It was built in 1984, so it is 41 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 375 vehicles a day, roughly 7% of them trucks, projected to reach 379 by 2046. The structure is 261 ft (79.7 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRiver Road
CrossesUS 20 Freeport Bypas
Location2 MI NE of Freeport
RouteCounty Highway 0
CountyStephenson County
StateIllinois
Coordinates42.30906, -89.55898
Functional classRural Minor Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length261 ft (79.7 m)
Longest span107 ft (32.6 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2024)
Projected traffic379 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 River Road over US 20 Freeport Bypas built?

It was built in 1984, making it 41 years old in 2025.

What condition is River Road over US 20 Freeport Bypas 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 River Road over US 20 Freeport Bypas carry?

About 375 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is River Road over US 20 Freeport Bypas?

The structure is 261 ft (79.7 m) long with a longest span of 107 ft (32.6 m) and a deck 37 ft wide.

Who owns River Road over US 20 Freeport Bypas?

It is owned by the State Highway Agency.