US Bridges

FAS-2705 (CH-4) over Big Muddy Creek

Fair

Clay County, Illinois · 3 MI S Ingerham · Structure no. 013301900000000

Built
1939
86 years old, rebuilt 1984
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
140 ft
3 main spans
Daily traffic
250
2021 count
Owner
County
County Highway Agency

About this bridge

FAS-2705 (CH-4) over Big Muddy Creek is a steel continuous stringer/multi-beam or girder carrying FAS-2705 (CH-4) over Big Muddy Creek in Clay County, Illinois. It was built in 1939 and reconstructed in 1984, so it is 86 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 250 vehicles a day, roughly 15% of them trucks, projected to reach 253 by 2046. The structure is 140 ft (42.8 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAS-2705 (CH-4)
CrossesBig Muddy Creek
Location3 MI S Ingerham
RouteCounty Highway 0
Coordinates38.79656, -88.34821
Functional classRural Minor 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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.1 US tons
Inventory rating22.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length140 ft (42.8 m)
Longest span53 ft (16.3 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic253 by 2046
Trucks15%
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-2705 (CH-4) over Big Muddy Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1984.

What condition is FAS-2705 (CH-4) over Big Muddy Creek 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 January 2023.

How much traffic does FAS-2705 (CH-4) over Big Muddy Creek carry?

About 250 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is FAS-2705 (CH-4) over Big Muddy Creek?

The structure is 140 ft (42.8 m) long with a longest span of 53 ft (16.3 m) and a deck 23 ft wide.

Who owns FAS-2705 (CH-4) over Big Muddy Creek?

It is owned by the County Highway Agency.