US Bridges

US 45/IL 121 over Stream

Good

Coles County, Illinois · 1.6 MI S of Il 16 · Structure no. 015202300000000

Built
2009
16 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
6,900
2023 count
Owner
State
State Highway Agency

About this bridge

US 45/IL 121 over Stream is a concrete culvert carrying US 45/IL 121 over Stream in Coles County, Illinois. It was built in 2009, so it is 16 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 6,900 vehicles a day, roughly 9% of them trucks, projected to reach 6,969 by 2046. The structure is 34 ft (10.3 m) long.

CarriesUS 45/IL 121
CrossesStream
Location1.6 MI S of Il 16
RouteU.S. Route 45
Coordinates39.45852, -88.37757
Functional classUrban Other Principal Arterial

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.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
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 rating65.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.3 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,900 (2023)
Projected traffic6,969 by 2046
Trucks9%
Lanes on structure4
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 US 45/IL 121 over Stream built?

It was built in 2009, making it 16 years old in 2025.

What condition is US 45/IL 121 over 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 July 2023.

How much traffic does US 45/IL 121 over Stream carry?

About 6,900 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 45/IL 121 over Stream?

The structure is 34 ft (10.3 m) long with a longest span of 15 ft (4.6 m).

Who owns US 45/IL 121 over Stream?

It is owned by the State Highway Agency.