US Bridges

FAU-7352 CH-20 over Stream

Fair

Macon County, Illinois · 1.4 MI W Forsyth · Structure no. 058337100000000

Built
2010
15 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
1,400
2020 count
Owner
County
County Highway Agency

About this bridge

FAU-7352 CH-20 over Stream is a prestressed concrete box beam or girders - multiple carrying FAU-7352 CH-20 over Stream in Macon County, Illinois. It was built in 2010, so it is 15 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 1,400 vehicles a day, roughly 4% of them trucks, projected to reach 1,414 by 2046. The structure is 65 ft (19.8 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAU-7352 CH-20
CrossesStream
Location1.4 MI W Forsyth
Coordinates39.9346, -88.97824
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating60 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length65 ft (19.8 m)
Longest span63 ft (19.1 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2020)
Projected traffic1,414 by 2046
Trucks4%
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 FAU-7352 CH-20 over Stream built?

It was built in 2010, making it 15 years old in 2025.

What condition is FAU-7352 CH-20 over Stream 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 2024.

How much traffic does FAU-7352 CH-20 over Stream carry?

About 1,400 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is FAU-7352 CH-20 over Stream?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.1 m) and a deck 30 ft wide.

Who owns FAU-7352 CH-20 over Stream?

It is owned by the County Highway Agency.