US Bridges

County Highway 16 over Trib to Hog Creek

Poor

Perry County, Illinois · 1.0 MI So.Fap 841 · Structure no. 073313500000000

Built
1985
40 years old
Condition
Poor
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
2 main spans
Daily traffic
20
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

County Highway 16 over Trib to Hog Creek is a prestressed concrete box beam or girders - multiple carrying County Highway 16 over Trib to Hog Creek in Perry County, Illinois. It was built in 1985, so it is 40 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 20 vehicles a day, roughly 75% of them trucks, projected to reach 51 by 2046. The structure is 45 ft (13.7 m) long and 23 ft wide.

CarriesCounty Highway 16
CrossesTrib to Hog Creek
Location1.0 MI So.Fap 841
RouteCounty Highway 0
Coordinates38.06751, -89.14092
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating26.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length45 ft (13.7 m)
Longest span24 ft (7.3 m)
Deck width23 ft (6.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic51 by 2046
Trucks75%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 County Highway 16 over Trib to Hog Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Highway 16 over Trib to Hog Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does County Highway 16 over Trib to Hog Creek carry?

About 20 vehicles per day (2024 count), of which roughly 75% are trucks.

How long is County Highway 16 over Trib to Hog Creek?

The structure is 45 ft (13.7 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.

Who owns County Highway 16 over Trib to Hog Creek?

It is owned by the Town or Township Highway Agency.