US Bridges

FAS-789 (CH-3) over Coal Bank Creek

Fair

Jefferson County, Illinois · 2 MI N Harmony · Structure no. 041362400000000

Built
1987
38 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
81 ft
2 main spans
Daily traffic
550
2021 count
Owner
County
County Highway Agency

About this bridge

FAS-789 (CH-3) over Coal Bank Creek is a prestressed concrete box beam or girders - multiple carrying FAS-789 (CH-3) over Coal Bank Creek in Jefferson County, Illinois. It was built in 1987, so it is 38 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 550 vehicles a day, roughly 13% of them trucks, projected to reach 556 by 2046. The structure is 81 ft (24.8 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS-789 (CH-3)
CrossesCoal Bank Creek
Location2 MI N Harmony
RouteCounty Highway 0
Coordinates38.43147, -88.79309
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length81 ft (24.8 m)
Longest span49 ft (14.9 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2021)
Projected traffic556 by 2046
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-789 (CH-3) over Coal Bank Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is FAS-789 (CH-3) over Coal Bank 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 February 2023.

How much traffic does FAS-789 (CH-3) over Coal Bank Creek carry?

About 550 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is FAS-789 (CH-3) over Coal Bank Creek?

The structure is 81 ft (24.8 m) long with a longest span of 49 ft (14.9 m) and a deck 28 ft wide.

Who owns FAS-789 (CH-3) over Coal Bank Creek?

It is owned by the County Highway Agency.