US Bridges

Ch 20/FAS 781 over Trib of Shoal Creek

Good

Bond County, Illinois · Pocahontas · Structure no. 003304700000000

Built
2004
21 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
1,700
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 20/FAS 781 over Trib of Shoal Creek is a prestressed concrete box beam or girders - multiple carrying Ch 20/FAS 781 over Trib of Shoal Creek in Bond County, Illinois. It was built in 2004, so it is 21 years old, younger 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 1,700 vehicles a day, roughly 3% of them trucks, projected to reach 1,717 by 2046. The structure is 79 ft (24 m) long and 30 ft wide.

CarriesCh 20/FAS 781
CrossesTrib of Shoal Creek
LocationPocahontas
RouteCounty Highway 0
Coordinates38.81916, -89.54059
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
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 alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length79 ft (24 m)
Longest span76 ft (23.2 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2020)
Projected traffic1,717 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 20/FAS 781 over Trib of Shoal Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Ch 20/FAS 781 over Trib of Shoal 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 December 2023.

How much traffic does Ch 20/FAS 781 over Trib of Shoal Creek carry?

About 1,700 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Ch 20/FAS 781 over Trib of Shoal Creek?

The structure is 79 ft (24 m) long with a longest span of 76 ft (23.2 m) and a deck 30 ft wide.

Who owns Ch 20/FAS 781 over Trib of Shoal Creek?

It is owned by the County Highway Agency.