US Bridges

US 136 over Illinois River

Poor

Fulton County, Illinois · W Edge of Havana · Structure no. 063000200000000

Built
1936
89 years old, rebuilt 1998
Condition
Poor
inspected July 2024
Type
Truss - Thru
Steel Continuous
Length
1,726 ft
3 main spans
Daily traffic
5,250
2023 count
Owner
State
State Highway Agency

About this bridge

US 136 over Illinois River is a steel continuous truss - thru carrying US 136 over Illinois River in Fulton County, Illinois. It was built in 1936 and reconstructed in 1998, so it is 89 years old, older 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 4 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 5,250 vehicles a day, roughly 16% of them trucks, projected to reach 5,656 by 2046. The structure is 1,726 ft (526.1 m) long and 30 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesUS 136
CrossesIllinois River
LocationW Edge of Havana
RouteU.S. Route 136
Coordinates40.29502, -90.07412
Functional classRural Principal Arterial - Other

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeTruss - Thru
MaterialSteel Continuous
DeckOther
Main spans3 (+5 approach)
Design loadUnknown
Structure length1,726 ft (526.1 m)
Longest span420 ft (128 m)
Deck width30 ft (9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,250 (2023)
Projected traffic5,656 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$10.3 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 136 over Illinois River built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1998.

What condition is US 136 over Illinois River 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 July 2024.

How much traffic does US 136 over Illinois River carry?

About 5,250 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US 136 over Illinois River?

The structure is 1,726 ft (526.1 m) long with a longest span of 420 ft (128 m) and a deck 30 ft wide.

Who owns US 136 over Illinois River?

It is owned by the State Highway Agency.