US Bridges

FAS 602 / Ch 21 over S. Fork Mckee CR

Fair

Pike County, Illinois · 3.0 MI S Chamberburg · Structure no. 075325200000000

Built
1986
39 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
291 ft
4 main spans
Daily traffic
225
2023 count
Owner
County
County Highway Agency

About this bridge

FAS 602 / Ch 21 over S. Fork Mckee CR is a prestressed concrete box beam or girders - multiple carrying FAS 602 / Ch 21 over S. Fork Mckee CR in Pike 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 5 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 225 vehicles a day, roughly 26% of them trucks, projected to reach 435 by 2046. The structure is 291 ft (88.7 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAS 602 / Ch 21
CrossesS. Fork Mckee CR
Location3.0 MI S Chamberburg
RouteCounty Highway 0
Coordinates39.77854, -90.65459
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.8 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length291 ft (88.7 m)
Longest span72 ft (21.9 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic435 by 2046
Trucks26%
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 602 / Ch 21 over S. Fork Mckee CR built?

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

What condition is FAS 602 / Ch 21 over S. Fork Mckee 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 April 2023.

How much traffic does FAS 602 / Ch 21 over S. Fork Mckee CR carry?

About 225 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is FAS 602 / Ch 21 over S. Fork Mckee CR?

The structure is 291 ft (88.7 m) long with a longest span of 72 ft (21.9 m) and a deck 33 ft wide.

Who owns FAS 602 / Ch 21 over S. Fork Mckee CR?

It is owned by the County Highway Agency.