US Bridges

FAS 939-CH 8 over FAI 57 & US 51

Fair

Pulaski County, Illinois · 2.2 MI N FAS 2936 · Structure no. 077002700000000

Built
1967
58 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
252 ft
4 main spans
Daily traffic
1,950
2023 count
Owner
State
State Highway Agency

About this bridge

FAS 939-CH 8 over FAI 57 & US 51 is a steel continuous stringer/multi-beam or girder carrying FAS 939-CH 8 over FAI 57 & US 51 in Pulaski County, Illinois. It was built in 1967, so it is 58 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 1,950 vehicles a day, roughly 18% of them trucks, projected to reach 1,919 by 2046. The structure is 252 ft (76.7 m) long and 62 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFAS 939-CH 8
CrossesFAI 57 & US 51
Location2.2 MI N FAS 2936
RouteCounty Highway 0
Coordinates37.12918, -89.17942
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating47.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length252 ft (76.7 m)
Longest span79 ft (24.2 m)
Deck width62 ft (18.9 m)
Roadway width58 ft (17.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,950 (2023)
Projected traffic1,919 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.8 mi (11 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 FAS 939-CH 8 over FAI 57 & US 51 built?

It was built in 1967, making it 58 years old in 2025.

What condition is FAS 939-CH 8 over FAI 57 & US 51 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 August 2024.

How much traffic does FAS 939-CH 8 over FAI 57 & US 51 carry?

About 1,950 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is FAS 939-CH 8 over FAI 57 & US 51?

The structure is 252 ft (76.7 m) long with a longest span of 79 ft (24.2 m) and a deck 62 ft wide.

Who owns FAS 939-CH 8 over FAI 57 & US 51?

It is owned by the State Highway Agency.