US Bridges

Mulford RD over I-39 & US 20

Good

Winnebago County, Illinois · .5 MI E of US 51 · Structure no. 101020700000000

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
294 ft
2 main spans
Daily traffic
5,400
2022 count
Owner
State
State Highway Agency

About this bridge

Mulford RD over I-39 & US 20 is a steel stringer/multi-beam or girder carrying Mulford RD over I-39 & US 20 in Winnebago County, Illinois. It was built in 2024, so it is 1 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,400 vehicles a day, roughly 5% of them trucks, projected to reach 5,959 by 2046. The structure is 294 ft (89.6 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMulford RD
CrossesI-39 & US 20
Location.5 MI E of US 51
CountyWinnebago County
StateIllinois
Coordinates42.22006, -88.99879
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length294 ft (89.6 m)
Longest span179 ft (54.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2022)
Projected traffic5,959 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 Mulford RD over I-39 & US 20 built?

It was built in 2024, making it 1 years old in 2025.

What condition is Mulford RD over I-39 & US 20 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Mulford RD over I-39 & US 20 carry?

About 5,400 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Mulford RD over I-39 & US 20?

The structure is 294 ft (89.6 m) long with a longest span of 179 ft (54.5 m) and a deck 43 ft wide.

Who owns Mulford RD over I-39 & US 20?

It is owned by the State Highway Agency.