US Bridges

FAP 320(IL 121) over Stream

Fair

Coles County, Illinois · 2.1 MI E of CO Line · Structure no. 015202000000000

Built
1995
30 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
4,100
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 320(IL 121) over Stream is a concrete culvert carrying FAP 320(IL 121) over Stream in Coles County, Illinois. It was built in 1995, so it is 30 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 4,100 vehicles a day, roughly 7% of them trucks, projected to reach 3,788 by 2046. The structure is 34 ft (10.5 m) long.

Location

Open in Google Maps
CarriesFAP 320(IL 121)
CrossesStream
Location2.1 MI E of CO Line
RouteState Highway 121
CountyColes County
StateIllinois
Coordinates39.50362, -88.4388
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: 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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length34 ft (10.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2023)
Projected traffic3,788 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAP 320(IL 121) over Stream built?

It was built in 1995, making it 30 years old in 2025.

What condition is FAP 320(IL 121) over Stream 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 March 2024.

How much traffic does FAP 320(IL 121) over Stream carry?

About 4,100 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FAP 320(IL 121) over Stream?

The structure is 34 ft (10.5 m) long with a longest span of 10 ft (3 m).

Who owns FAP 320(IL 121) over Stream?

It is owned by the State Highway Agency.