US Bridges

FAS-801 (CH-16) over Trib Big Muddy

Good

Clay County, Illinois · 2 MI W Ingerham · Structure no. 013321300000000

Built
1996
29 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
450
2021 count
Owner
County
County Highway Agency

About this bridge

FAS-801 (CH-16) over Trib Big Muddy is a prestressed concrete box beam or girders - multiple carrying FAS-801 (CH-16) over Trib Big Muddy in Clay County, Illinois. It was built in 1996, so it is 29 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 450 vehicles a day, roughly 18% of them trucks, projected to reach 455 by 2046. The structure is 100 ft (30.5 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAS-801 (CH-16)
CrossesTrib Big Muddy
Location2 MI W Ingerham
RouteCounty Highway 0
CountyClay County
StateIllinois
Coordinates38.83752, -88.3657
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 protection7 GoodSome minor problems.
Last inspectionJanuary 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2021)
Projected traffic455 by 2046
Trucks18%
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-801 (CH-16) over Trib Big Muddy built?

It was built in 1996, making it 29 years old in 2025.

What condition is FAS-801 (CH-16) over Trib Big Muddy 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 January 2023.

How much traffic does FAS-801 (CH-16) over Trib Big Muddy carry?

About 450 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is FAS-801 (CH-16) over Trib Big Muddy?

The structure is 100 ft (30.5 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns FAS-801 (CH-16) over Trib Big Muddy?

It is owned by the County Highway Agency.