US Bridges

US 136 over Drainage Ditch

Fair

Hancock County, Illinois · 1.7M W Il 61 · Structure no. 034200700000000

Built
1991
34 years old, rebuilt 2008
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
3,400
2023 count
Owner
State
State Highway Agency

About this bridge

US 136 over Drainage Ditch is a concrete continuous culvert carrying US 136 over Drainage Ditch in Hancock County, Illinois. It was built in 1991 and reconstructed in 2008, so it is 34 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 3,400 vehicles a day, roughly 15% of them trucks, projected to reach 1,869 by 2046. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 24.9 mi (40 km).

CarriesUS 136
CrossesDrainage Ditch
Location1.7M W Il 61
RouteU.S. Route 136
Coordinates40.40827, -90.91994
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating46.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2023)
Projected traffic1,869 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
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 US 136 over Drainage Ditch built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2008.

What condition is US 136 over Drainage Ditch 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 August 2023.

How much traffic does US 136 over Drainage Ditch carry?

About 3,400 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is US 136 over Drainage Ditch?

The structure is 25 ft (7.5 m) long with a longest span of 11 ft (3.4 m).

Who owns US 136 over Drainage Ditch?

It is owned by the State Highway Agency.