US Bridges

Il 336 over Trib to Praire CR

Good

Hancock County, Illinois · .5 M S Carthage Int · Structure no. 034050000000000

Built
2006
19 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
4,200
2023 count
Owner
State
State Highway Agency

About this bridge

Il 336 over Trib to Praire CR is a concrete culvert carrying Il 336 over Trib to Praire CR in Hancock County, Illinois. It was built in 2006, so it is 19 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 4,200 vehicles a day, roughly 18% of them trucks, projected to reach 4,293 by 2046. The structure is 33 ft (10.2 m) long.

CarriesIl 336
CrossesTrib to Praire CR
Location.5 M S Carthage Int
RouteState Highway 94
Coordinates40.40769, -91.12014
Functional classRural Principal Arterial - Other

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 inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.2 m)
Longest span9 ft (2.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2023)
Projected traffic4,293 by 2046
Trucks18%
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 Il 336 over Trib to Praire CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is Il 336 over Trib to Praire CR 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 2023.

How much traffic does Il 336 over Trib to Praire CR carry?

About 4,200 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Il 336 over Trib to Praire CR?

The structure is 33 ft (10.2 m) long with a longest span of 9 ft (2.8 m).

Who owns Il 336 over Trib to Praire CR?

It is owned by the State Highway Agency.