US Bridges

TR-224 over Trib Harper Creek

Good

Jefferson County, Illinois · 2 MI NW Mt.Vernon · Structure no. 041504900000000

Built
1996
29 years old
Condition
Good
inspected February 2022
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
375
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-224 over Trib Harper Creek is a concrete culvert carrying TR-224 over Trib Harper Creek in Jefferson County, Illinois. It was built in 1996, so it is 29 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 375 vehicles a day, roughly 22% of them trucks, projected to reach 379 by 2046. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR-224
CrossesTrib Harper Creek
Location2 MI NW Mt.Vernon
RouteCounty Highway 0
Coordinates38.35557, -88.96496
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2022
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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7.1 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 traffic375 (2021)
Projected traffic379 by 2046
Trucks22%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR-224 over Trib Harper Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is TR-224 over Trib Harper 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 February 2022.

How much traffic does TR-224 over Trib Harper Creek carry?

About 375 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is TR-224 over Trib Harper Creek?

The structure is 23 ft (7.1 m) long with a longest span of 10 ft (3 m).

Who owns TR-224 over Trib Harper Creek?

It is owned by the Town or Township Highway Agency.