US Bridges

US 150 over S. Henderson CR Trib

Fair

Knox County, Illinois · 3 MI N of US 34 · Structure no. 048200500000000

Built
2003
22 years old
Condition
Fair
inspected May 2024
Type
Frame
Concrete
Length
23 ft
1 main span
Daily traffic
2,950
2023 count
Owner
State
State Highway Agency

About this bridge

US 150 over S. Henderson CR Trib is a concrete frame carrying US 150 over S. Henderson CR Trib in Knox County, Illinois. It was built in 2003, so it is 22 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 2,950 vehicles a day, roughly 9% of them trucks, projected to reach 2,525 by 2046. The structure is 23 ft (7 m) long and 36 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesUS 150
CrossesS. Henderson CR Trib
Location3 MI N of US 34
RouteU.S. Route 150
CountyKnox County
StateIllinois
Coordinates41.02212, -90.38228
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating61.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.5 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,950 (2023)
Projected traffic2,525 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

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 150 over S. Henderson CR Trib built?

It was built in 2003, making it 22 years old in 2025.

What condition is US 150 over S. Henderson CR Trib 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 May 2024.

How much traffic does US 150 over S. Henderson CR Trib carry?

About 2,950 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 150 over S. Henderson CR Trib?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.5 m) and a deck 36 ft wide.

Who owns US 150 over S. Henderson CR Trib?

It is owned by the State Highway Agency.