US Bridges

US 136 EB over Lamoine River

Fair

Hancock County, Illinois · 6.8M E IL94 Carthage · Structure no. 034006600000000

Built
1991
34 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
460 ft
6 main spans
Daily traffic
3,700
2023 count
Owner
State
State Highway Agency

About this bridge

US 136 EB over Lamoine River is a steel continuous stringer/multi-beam or girder carrying US 136 EB over Lamoine River in Hancock County, Illinois. It was built in 1991, 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 3,700 vehicles a day, roughly 18% of them trucks, projected to reach 1,869 by 2046. The structure is 460 ft (140.3 m) long and 43 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesUS 136 EB
CrossesLamoine River
Location6.8M E IL94 Carthage
RouteU.S. Route 136
Coordinates40.41436, -91.00753
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length460 ft (140.3 m)
Longest span81 ft (24.7 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2023)
Projected traffic1,869 by 2046
Trucks18%
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 EB over Lamoine River built?

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

What condition is US 136 EB over Lamoine River 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 December 2024.

How much traffic does US 136 EB over Lamoine River carry?

About 3,700 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is US 136 EB over Lamoine River?

The structure is 460 ft (140.3 m) long with a longest span of 81 ft (24.7 m) and a deck 43 ft wide.

Who owns US 136 EB over Lamoine River?

It is owned by the State Highway Agency.