US Bridges

FAI-57 NB over TR-163B

Fair

Alexander County, Illinois · 0.3 MI S Pulaski CO · Structure no. 002000100000000

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,708 ft
25 main spans
Daily traffic
6,100
2024 count
Owner
State
State Highway Agency

About this bridge

FAI-57 NB over TR-163B is a prestressed concrete continuous stringer/multi-beam or girder carrying FAI-57 NB over TR-163B in Alexander 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 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 6,100 vehicles a day, roughly 55% of them trucks, projected to reach 6,767 by 2046. The structure is 1,708 ft (520.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesFAI-57 NB
CrossesTR-163B
Location0.3 MI S Pulaski CO
RouteInterstate 57
CountyAlexander County
StateIllinois
Coordinates37.07728, -89.1884
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans25 (+3 approach)
Design loadHS 20 + Mod
Structure length1,708 ft (520.6 m)
Longest span66 ft (20 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,100 (2024)
Projected traffic6,767 by 2046
Trucks55%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAI-57 NB over TR-163B built?

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

What condition is FAI-57 NB over TR-163B 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 July 2023.

How much traffic does FAI-57 NB over TR-163B carry?

About 6,100 vehicles per day (2024 count), of which roughly 55% are trucks.

How long is FAI-57 NB over TR-163B?

The structure is 1,708 ft (520.6 m) long with a longest span of 66 ft (20 m) and a deck 36 ft wide.

Who owns FAI-57 NB over TR-163B?

It is owned by the State Highway Agency.