US Bridges

I-74 (wb) over NS Railway & Madden Cree

Fair

Piatt County, Illinois · .5 MI W Mansfield · Structure no. 074004300000000

Built
1970
55 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
237 ft
4 main spans
Daily traffic
10,750
2023 count
Owner
State
State Highway Agency

About this bridge

I-74 (wb) over NS Railway & Madden Cree is a steel continuous stringer/multi-beam or girder carrying I-74 (wb) over NS Railway & Madden Cree in Piatt County, Illinois. It was built in 1970, so it is 55 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 10,750 vehicles a day, roughly 33% of them trucks, projected to reach 11,565 by 2046. The structure is 237 ft (72.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-74 (wb)
CrossesNS Railway & Madden Cree
Location.5 MI W Mansfield
RouteInterstate 74
CountyPiatt County
StateIllinois
Coordinates40.22067, -88.51002
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length237 ft (72.1 m)
Longest span68 ft (20.6 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,750 (2023)
Projected traffic11,565 by 2046
Trucks33%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-74 (wb) over NS Railway & Madden Cree built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-74 (wb) over NS Railway & Madden Cree 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 I-74 (wb) over NS Railway & Madden Cree carry?

About 10,750 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is I-74 (wb) over NS Railway & Madden Cree?

The structure is 237 ft (72.1 m) long with a longest span of 68 ft (20.6 m) and a deck 42 ft wide.

Who owns I-74 (wb) over NS Railway & Madden Cree?

It is owned by the State Highway Agency.