US Bridges

Ch 15 over Crooked Creek

Fair

White County, Illinois · 1.7 MI SW Crossville · Structure no. 097325000000000

Built
2004
21 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Ch 15 over Crooked Creek is a prestressed concrete box beam or girders - multiple carrying Ch 15 over Crooked Creek in White 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 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 100 vehicles a day, roughly 6% of them trucks, projected to reach 76 by 2046. The structure is 62 ft (18.8 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCh 15
CrossesCrooked Creek
Location1.7 MI SW Crossville
RouteCounty Highway 0
Coordinates38.14894, -88.09631
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
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 length62 ft (18.8 m)
Longest span60 ft (18.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic76 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 15 over Crooked Creek built?

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

What condition is Ch 15 over Crooked 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 2024.

How much traffic does Ch 15 over Crooked Creek carry?

About 100 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Ch 15 over Crooked Creek?

The structure is 62 ft (18.8 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.

Who owns Ch 15 over Crooked Creek?

It is owned by the County Highway Agency.