US Bridges

FAS 473 (ch 22) over Unnamed Stream

Good

Livingston County, Illinois · 200N 1885E · Structure no. 053501200000000

Built
2002
23 years old
Condition
Good
inspected June 2021
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
150
2023 count
Owner
County
County Highway Agency

About this bridge

FAS 473 (ch 22) over Unnamed Stream is a concrete continuous culvert carrying FAS 473 (ch 22) over Unnamed Stream in Livingston County, Illinois. It was built in 2002, so it is 23 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 48% of them trucks, projected to reach 101 by 2046. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAS 473 (ch 22)
CrossesUnnamed Stream
Location200N 1885E
RouteCounty Highway 0
Coordinates40.64571, -88.55863
Functional classRural Minor 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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic101 by 2046
Trucks48%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 473 (ch 22) over Unnamed Stream built?

It was built in 2002, making it 23 years old in 2025.

What condition is FAS 473 (ch 22) over Unnamed Stream 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 June 2021.

How much traffic does FAS 473 (ch 22) over Unnamed Stream carry?

About 150 vehicles per day (2023 count), of which roughly 48% are trucks.

How long is FAS 473 (ch 22) over Unnamed Stream?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m).

Who owns FAS 473 (ch 22) over Unnamed Stream?

It is owned by the County Highway Agency.