US Bridges

FAS 2937-IL 169 over Post Creek Cutoff

Fair

Pulaski County, Illinois · 0.5 MI E of Karnak · Structure no. 077003900000000

Built
1993
32 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
179 ft
3 main spans
Daily traffic
1,300
2023 count
Owner
State
State Highway Agency

About this bridge

FAS 2937-IL 169 over Post Creek Cutoff is a steel continuous stringer/multi-beam or girder carrying FAS 2937-IL 169 over Post Creek Cutoff in Pulaski County, Illinois. It was built in 1993, so it is 32 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 1,300 vehicles a day, roughly 15% of them trucks, projected to reach 1,364 by 2046. The structure is 179 ft (54.6 m) long and 32 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesFAS 2937-IL 169
CrossesPost Creek Cutoff
Location0.5 MI E of Karnak
RouteState Highway 169
Coordinates37.29149, -88.9532
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.6 US tons
Inventory rating52.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length179 ft (54.6 m)
Longest span72 ft (21.9 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,364 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 2937-IL 169 over Post Creek Cutoff built?

It was built in 1993, making it 32 years old in 2025.

What condition is FAS 2937-IL 169 over Post Creek Cutoff 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 2024.

How much traffic does FAS 2937-IL 169 over Post Creek Cutoff carry?

About 1,300 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is FAS 2937-IL 169 over Post Creek Cutoff?

The structure is 179 ft (54.6 m) long with a longest span of 72 ft (21.9 m) and a deck 32 ft wide.

Who owns FAS 2937-IL 169 over Post Creek Cutoff?

It is owned by the State Highway Agency.