US Bridges

Ch 10 (fas 543) over Stream

Fair

De Witt County, Illinois · 1 MI W Parnell · Structure no. 020300300000000

Built
1968
57 years old
Condition
Fair
inspected December 2022
Type
Channel Beam
Concrete
Length
30 ft
1 main span
Daily traffic
250
2022 count
Owner
County
County Highway Agency

About this bridge

Ch 10 (fas 543) over Stream is a concrete channel beam carrying Ch 10 (fas 543) over Stream in De Witt County, Illinois. It was built in 1968, so it is 57 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 250 vehicles a day, roughly 16% of them trucks, projected to reach 354 by 2046. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCh 10 (fas 543)
CrossesStream
Location1 MI W Parnell
RouteCounty Highway 0
CountyDe Witt County
StateIllinois
Coordinates40.22395, -88.73995
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.7 US tons
Inventory rating39.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length30 ft (9.1 m)
Longest span29 ft (8.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic354 by 2046
Trucks16%
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 Ch 10 (fas 543) over Stream built?

It was built in 1968, making it 57 years old in 2025.

What condition is Ch 10 (fas 543) 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 December 2022.

How much traffic does Ch 10 (fas 543) over Stream carry?

About 250 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Ch 10 (fas 543) over Stream?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.9 m) and a deck 30 ft wide.

Who owns Ch 10 (fas 543) over Stream?

It is owned by the County Highway Agency.