US Bridges

FAS 1658(CH 16) over Willow Creek

Fair

Clark County, Illinois · 2.5 MI W Orange · Structure no. 012323800000000

Built
1983
42 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
121 ft
2 main spans
Daily traffic
150
2021 count
Owner
County
County Highway Agency

About this bridge

FAS 1658(CH 16) over Willow Creek is a prestressed concrete box beam or girders - multiple carrying FAS 1658(CH 16) over Willow Creek in Clark County, Illinois. It was built in 1983, so it is 42 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 150 vehicles a day, roughly 15% of them trucks, projected to reach 152 by 2046. The structure is 121 ft (36.9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 1658(CH 16)
CrossesWillow Creek
Location2.5 MI W Orange
RouteCounty Highway 0
Coordinates39.20559, -87.86724
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length121 ft (36.9 m)
Longest span79 ft (24.1 m)
Deck width28 ft (8.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2021)
Projected traffic152 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 1658(CH 16) over Willow Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is FAS 1658(CH 16) over Willow Creek 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 February 2025.

How much traffic does FAS 1658(CH 16) over Willow Creek carry?

About 150 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is FAS 1658(CH 16) over Willow Creek?

The structure is 121 ft (36.9 m) long with a longest span of 79 ft (24.1 m) and a deck 28 ft wide.

Who owns FAS 1658(CH 16) over Willow Creek?

It is owned by the County Highway Agency.