US Bridges

North Rd-W Frankfo over Interstate 57

Fair

Franklin County, Illinois · Near Scl W Frankfort · Structure no. 028006100000000

Built
1962
63 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
204 ft
4 main spans
Daily traffic
675
2024 count
Owner
State
State Highway Agency

About this bridge

North Rd-W Frankfo over Interstate 57 is a steel continuous stringer/multi-beam or girder carrying North Rd-W Frankfo over Interstate 57 in Franklin County, Illinois. It was built in 1962, so it is 63 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 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 675 vehicles a day, roughly 8% of them trucks, projected to reach 606 by 2046. The structure is 204 ft (62.1 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesNorth Rd-W Frankfo
CrossesInterstate 57
LocationNear Scl W Frankfort
CountyFranklin County
StateIllinois
Coordinates37.89162, -88.9451
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length204 ft (62.1 m)
Longest span64 ft (19.4 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic675 (2024)
Projected traffic606 by 2046
Trucks8%
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 North Rd-W Frankfo over Interstate 57 built?

It was built in 1962, making it 63 years old in 2025.

What condition is North Rd-W Frankfo over Interstate 57 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 March 2023.

How much traffic does North Rd-W Frankfo over Interstate 57 carry?

About 675 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is North Rd-W Frankfo over Interstate 57?

The structure is 204 ft (62.1 m) long with a longest span of 64 ft (19.4 m) and a deck 30 ft wide.

Who owns North Rd-W Frankfo over Interstate 57?

It is owned by the State Highway Agency.