US Bridges

FAS 489 Ch 21 over Little Crooked Creek

Good

McLean County, Illinois · 1.5MI SW Pleasanthil · Structure no. 057493600000000

Built
2011
14 years old
Condition
Good
inspected October 2021
Type
Slab
Concrete
Length
94 ft
3 main spans
Daily traffic
600
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 489 Ch 21 over Little Crooked Creek is a concrete slab carrying FAS 489 Ch 21 over Little Crooked Creek in McLean County, Illinois. It was built in 2011, so it is 14 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 600 vehicles a day, roughly 29% of them trucks, projected to reach 808 by 2046. The structure is 94 ft (28.7 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAS 489 Ch 21
CrossesLittle Crooked Creek
Location1.5MI SW Pleasanthil
RouteCounty Highway 0
Coordinates40.59639, -88.76446
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length94 ft (28.7 m)
Longest span36 ft (11 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2024)
Projected traffic808 by 2046
Trucks29%
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 FAS 489 Ch 21 over Little Crooked Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is FAS 489 Ch 21 over Little Crooked 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 October 2021.

How much traffic does FAS 489 Ch 21 over Little Crooked Creek carry?

About 600 vehicles per day (2024 count), of which roughly 29% are trucks.

How long is FAS 489 Ch 21 over Little Crooked Creek?

The structure is 94 ft (28.7 m) long with a longest span of 36 ft (11 m) and a deck 32 ft wide.

Who owns FAS 489 Ch 21 over Little Crooked Creek?

It is owned by the County Highway Agency.