US Bridges

FAS 494 Ch 21 over Salt Creek

Good

McLean County, Illinois · 2.0 SE Leroy · Structure no. 057442700000000

Built
1990
35 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
750
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 494 Ch 21 over Salt Creek is a concrete continuous culvert carrying FAS 494 Ch 21 over Salt Creek in McLean County, Illinois. It was built in 1990, so it is 35 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 750 vehicles a day, roughly 35% of them trucks, projected to reach 707 by 2046. The structure is 22 ft (6.8 m) long.

CarriesFAS 494 Ch 21
CrossesSalt Creek
Location2.0 SE Leroy
RouteCounty Highway 0
Coordinates40.30261, -88.74585
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.9 US tons
Inventory rating71.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.8 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2024)
Projected traffic707 by 2046
Trucks35%
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 FAS 494 Ch 21 over Salt Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is FAS 494 Ch 21 over Salt 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 March 2024.

How much traffic does FAS 494 Ch 21 over Salt Creek carry?

About 750 vehicles per day (2024 count), of which roughly 35% are trucks.

How long is FAS 494 Ch 21 over Salt Creek?

The structure is 22 ft (6.8 m) long with a longest span of 11 ft (3.3 m).

Who owns FAS 494 Ch 21 over Salt Creek?

It is owned by the County Highway Agency.