US Bridges

TR 320 over Hog Creek

Fair

Perry County, Illinois · 1 MI S Kimzey RD · Structure no. 073315600000000

Built
1994
31 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
20
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 320 over Hog Creek is a prestressed concrete box beam or girders - multiple carrying TR 320 over Hog Creek in Perry County, Illinois. It was built in 1994, so it is 31 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 20 vehicles a day, roughly 15% of them trucks, projected to reach 25 by 2046. The structure is 26 ft (8 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 320
CrossesHog Creek
Location1 MI S Kimzey RD
RouteCounty Highway 0
Coordinates38.09729, -89.16823
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length26 ft (8 m)
Longest span25 ft (7.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic25 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 320 over Hog Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is TR 320 over Hog Creek 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 January 2024.

How much traffic does TR 320 over Hog Creek carry?

About 20 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is TR 320 over Hog Creek?

The structure is 26 ft (8 m) long with a longest span of 25 ft (7.7 m) and a deck 24 ft wide.

Who owns TR 320 over Hog Creek?

It is owned by the Town or Township Highway Agency.