US Bridges

IL94/116 over US 34

Fair

Henderson County, Illinois · SW of Biggsville · Structure no. 036006500000000

Built
2014
11 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
211 ft
2 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

IL94/116 over US 34 is a steel continuous stringer/multi-beam or girder carrying IL94/116 over US 34 in Henderson County, Illinois. It was built in 2014, so it is 11 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 5 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 1,400 vehicles a day, roughly 15% of them trucks, projected to reach 1,364 by 2046. The structure is 211 ft (64.3 m) long and 69 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIL94/116
CrossesUS 34
LocationSW of Biggsville
RouteState Highway 94
Coordinates40.84406, -90.90353
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73.5 US tons
Inventory rating56.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length211 ft (64.3 m)
Longest span108 ft (32.8 m)
Deck width69 ft (21.1 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic1,364 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 IL94/116 over US 34 built?

It was built in 2014, making it 11 years old in 2025.

What condition is IL94/116 over US 34 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 June 2023.

How much traffic does IL94/116 over US 34 carry?

About 1,400 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is IL94/116 over US 34?

The structure is 211 ft (64.3 m) long with a longest span of 108 ft (32.8 m) and a deck 69 ft wide.

Who owns IL94/116 over US 34?

It is owned by the State Highway Agency.