US Bridges

FAS 940 over Big CR

Fair

Pulaski County, Illinois · 3 MI W Perks · Structure no. 077309900000000

Built
1986
39 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
132 ft
3 main spans
Daily traffic
350
2021 count
Owner
County
County Highway Agency

About this bridge

FAS 940 over Big CR is a prestressed concrete box beam or girders - multiple carrying FAS 940 over Big CR in Pulaski County, Illinois. It was built in 1986, so it is 39 years old, younger 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 350 vehicles a day, roughly 14% of them trucks, projected to reach 354 by 2046. The structure is 132 ft (40.2 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAS 940
CrossesBig CR
Location3 MI W Perks
RouteCounty Highway 0
Coordinates37.31571, -89.13196
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating49.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length132 ft (40.2 m)
Longest span47 ft (14.3 m)
Deck width31 ft (9.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2021)
Projected traffic354 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 940 over Big CR built?

It was built in 1986, making it 39 years old in 2025.

What condition is FAS 940 over Big CR 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 December 2024.

How much traffic does FAS 940 over Big CR carry?

About 350 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is FAS 940 over Big CR?

The structure is 132 ft (40.2 m) long with a longest span of 47 ft (14.3 m) and a deck 31 ft wide.

Who owns FAS 940 over Big CR?

It is owned by the County Highway Agency.