US Bridges

Ch 10(FAS 543) over N Fork Salt Creek

Good

De Witt County, Illinois · 7 MI E of Wapella · Structure no. 020390000000000

Built
1969
56 years old, rebuilt 2010
Condition
Good
inspected July 2020
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
234 ft
4 main spans
Daily traffic
400
2022 count
Owner
County
County Highway Agency

About this bridge

Ch 10(FAS 543) over N Fork Salt Creek is a prestressed concrete box beam or girders - multiple carrying Ch 10(FAS 543) over N Fork Salt Creek in De Witt County, Illinois. It was built in 1969 and reconstructed in 2010, so it is 56 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 400 vehicles a day, roughly 13% of them trucks, projected to reach 505 by 2046. The structure is 234 ft (71.3 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCh 10(FAS 543)
CrossesN Fork Salt Creek
Location7 MI E of Wapella
RouteCounty Highway 0
Coordinates40.22445, -88.82097
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2020
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 25 or greater
Structure length234 ft (71.3 m)
Longest span58 ft (17.7 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic505 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 N Fork Salt Creek built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2010.

What condition is Ch 10(FAS 543) over N Fork Salt Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2020.

How much traffic does Ch 10(FAS 543) over N Fork Salt Creek carry?

About 400 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Ch 10(FAS 543) over N Fork Salt Creek?

The structure is 234 ft (71.3 m) long with a longest span of 58 ft (17.7 m) and a deck 30 ft wide.

Who owns Ch 10(FAS 543) over N Fork Salt Creek?

It is owned by the County Highway Agency.