US Bridges

Weldon RD over US Rt 20

Fair

Winnebago County, Illinois · .2 MI S Rt 20 Br · Structure no. 101012000000000

Built
1961
64 years old, rebuilt 2011
Condition
Fair
inspected September 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
263 ft
4 main spans
Daily traffic
800
2022 count
Owner
State
State Highway Agency

About this bridge

Weldon RD over US Rt 20 is a steel continuous stringer/multi-beam or girder carrying Weldon RD over US Rt 20 in Winnebago County, Illinois. It was built in 1961 and reconstructed in 2011, so it is 64 years old, older 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 800 vehicles a day, roughly 14% of them trucks, projected to reach 1,162 by 2046. The structure is 263 ft (80.2 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWeldon RD
CrossesUS Rt 20
Location.2 MI S Rt 20 Br
RouteCounty Highway 0
CountyWinnebago County
StateIllinois
Coordinates42.27783, -89.19285
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating60.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length263 ft (80.2 m)
Longest span75 ft (23 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2022)
Projected traffic1,162 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Weldon RD over US Rt 20 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2011.

What condition is Weldon RD over US Rt 20 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 September 2021.

How much traffic does Weldon RD over US Rt 20 carry?

About 800 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Weldon RD over US Rt 20?

The structure is 263 ft (80.2 m) long with a longest span of 75 ft (23 m) and a deck 35 ft wide.

Who owns Weldon RD over US Rt 20?

It is owned by the State Highway Agency.