US Bridges

US 136 over Il 336

Good

Hancock County, Illinois · 0.5 MI E Carthage · Structure no. 034050300000000

Built
2006
19 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
202 ft
2 main spans
Daily traffic
4,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 136 over Il 336 is a prestressed concrete continuous stringer/multi-beam or girder carrying US 136 over Il 336 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,000 vehicles a day, roughly 17% of them trucks, projected to reach 4,394 by 2046. The structure is 202 ft (61.7 m) long and 69 ft wide.

CarriesUS 136
CrossesIl 336
Location0.5 MI E Carthage
RouteU.S. Route 136
Coordinates40.41305, -91.11324
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.9 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length202 ft (61.7 m)
Longest span100 ft (30.5 m)
Deck width69 ft (21.1 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2023)
Projected traffic4,394 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 136 over Il 336 built?

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

What condition is US 136 over Il 336 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 2025.

How much traffic does US 136 over Il 336 carry?

About 4,000 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US 136 over Il 336?

The structure is 202 ft (61.7 m) long with a longest span of 100 ft (30.5 m) and a deck 69 ft wide.

Who owns US 136 over Il 336?

It is owned by the State Highway Agency.