US Bridges

FAU 5789 / US 6 over FAI 80

Fair

Henry County, Illinois · 1.2 MI E JCT Ill 84 · Structure no. 037007900000000

Built
1963
62 years old, rebuilt 1990
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
232 ft
4 main spans
Daily traffic
4,300
2022 count
Owner
State
State Highway Agency

About this bridge

FAU 5789 / US 6 over FAI 80 is a steel continuous stringer/multi-beam or girder carrying FAU 5789 / US 6 over FAI 80 in Henry County, Illinois. It was built in 1963 and reconstructed in 1990, so it is 62 years old, older 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 4,300 vehicles a day, roughly 11% of them trucks, projected to reach 4,590 by 2046. The structure is 232 ft (70.6 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAU 5789 / US 6
CrossesFAI 80
Location1.2 MI E JCT Ill 84
RouteU.S. Route 6
CountyHenry County
StateIllinois
Coordinates41.45481, -90.33679
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length232 ft (70.6 m)
Longest span71 ft (21.7 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2022)
Projected traffic4,590 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 5789 / US 6 over FAI 80 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1990.

What condition is FAU 5789 / US 6 over FAI 80 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 FAU 5789 / US 6 over FAI 80 carry?

About 4,300 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is FAU 5789 / US 6 over FAI 80?

The structure is 232 ft (70.6 m) long with a longest span of 71 ft (21.7 m) and a deck 36 ft wide.

Who owns FAU 5789 / US 6 over FAI 80?

It is owned by the State Highway Agency.