US Bridges

Nation RD (ch 36) over FAI-57

Good

Marion County, Illinois · 3.5 MI S Salem Int · Structure no. 061002800000000

Built
1968
57 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
259 ft
4 main spans
Daily traffic
375
2022 count
Owner
State
State Highway Agency

About this bridge

Nation RD (ch 36) over FAI-57 is a steel continuous stringer/multi-beam or girder carrying Nation RD (ch 36) over FAI-57 in Marion County, Illinois. It was built in 1968, so it is 57 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 375 vehicles a day, roughly 10% of them trucks, projected to reach 505 by 2046. The structure is 259 ft (78.9 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesNation RD (ch 36)
CrossesFAI-57
Location3.5 MI S Salem Int
RouteCounty Highway 0
CountyMarion County
StateIllinois
Coordinates38.57069, -88.96494
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum 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 rating50.7 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 length259 ft (78.9 m)
Longest span79 ft (24.1 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2022)
Projected traffic505 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nation RD (ch 36) over FAI-57 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Nation RD (ch 36) over FAI-57 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 August 2023.

How much traffic does Nation RD (ch 36) over FAI-57 carry?

About 375 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Nation RD (ch 36) over FAI-57?

The structure is 259 ft (78.9 m) long with a longest span of 79 ft (24.1 m) and a deck 30 ft wide.

Who owns Nation RD (ch 36) over FAI-57?

It is owned by the State Highway Agency.