US Bridges

FAS 450 - Ch 20 over Cedar Creek

Fair

Fulton County, Illinois · S1/2-15-T8NR1E · Structure no. 029320500000000

Built
1979
46 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
392 ft
5 main spans
Daily traffic
150
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 450 - Ch 20 over Cedar Creek is a prestressed concrete box beam or girders - multiple carrying FAS 450 - Ch 20 over Cedar Creek in Fulton County, Illinois. It was built in 1979, so it is 46 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 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 150 vehicles a day, roughly 19% of them trucks, projected to reach 152 by 2046. The structure is 392 ft (119.5 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAS 450 - Ch 20
CrossesCedar Creek
LocationS1/2-15-T8NR1E
RouteCounty Highway 0
CountyFulton County
StateIllinois
Coordinates40.67205, -90.37647
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating36.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length392 ft (119.5 m)
Longest span78 ft (23.8 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic152 by 2046
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 450 - Ch 20 over Cedar Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is FAS 450 - Ch 20 over Cedar 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 November 2023.

How much traffic does FAS 450 - Ch 20 over Cedar Creek carry?

About 150 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is FAS 450 - Ch 20 over Cedar Creek?

The structure is 392 ft (119.5 m) long with a longest span of 78 ft (23.8 m) and a deck 31 ft wide.

Who owns FAS 450 - Ch 20 over Cedar Creek?

It is owned by the County Highway Agency.