US Bridges

FAI-57 NB over US 50 (FAP-99)

Fair

Marion County, Illinois · Salem Int · Structure no. 061005300000000

Built
1968
57 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
168 ft
4 main spans
Daily traffic
9,650
2023 count
Owner
State
State Highway Agency

About this bridge

FAI-57 NB over US 50 (FAP-99) is a steel continuous stringer/multi-beam or girder carrying FAI-57 NB over US 50 (FAP-99) 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 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 9,650 vehicles a day, roughly 54% of them trucks, projected to reach 11,363 by 2046. The structure is 168 ft (51.2 m) long and 45 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesFAI-57 NB
CrossesUS 50 (FAP-99)
LocationSalem Int
RouteInterstate 57
CountyMarion County
StateIllinois
Coordinates38.62426, -88.97186
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length168 ft (51.2 m)
Longest span42 ft (12.8 m)
Deck width45 ft (13.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,650 (2023)
Projected traffic11,363 by 2046
Trucks54%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed9.9 mi (16 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAI-57 NB over US 50 (FAP-99) built?

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

What condition is FAI-57 NB over US 50 (FAP-99) 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 April 2024.

How much traffic does FAI-57 NB over US 50 (FAP-99) carry?

About 9,650 vehicles per day (2023 count), of which roughly 54% are trucks.

How long is FAI-57 NB over US 50 (FAP-99)?

The structure is 168 ft (51.2 m) long with a longest span of 42 ft (12.8 m) and a deck 45 ft wide.

Who owns FAI-57 NB over US 50 (FAP-99)?

It is owned by the State Highway Agency.