US Bridges

FAU 6584-ALLEN RD over Ill 6

Fair

Peoria County, Illinois · CTR-S1/2-31-T10NR8E · Structure no. 072014600000000

Built
1982
43 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
267 ft
2 main spans
Daily traffic
16,700
2022 count
Owner
State
State Highway Agency

About this bridge

FAU 6584-ALLEN RD over Ill 6 is a steel continuous stringer/multi-beam or girder carrying FAU 6584-ALLEN RD over Ill 6 in Peoria County, Illinois. It was built in 1982, so it is 43 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 16,700 vehicles a day, roughly 6% of them trucks, projected to reach 19,897 by 2046. The structure is 267 ft (81.4 m) long and 87 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesFAU 6584-ALLEN RD
CrossesIll 6
LocationCTR-S1/2-31-T10NR8E
CountyPeoria County
StateIllinois
Coordinates40.80182, -89.63106
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.1 US tons
Inventory rating48.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length267 ft (81.4 m)
Longest span110 ft (33.4 m)
Deck width87 ft (26.6 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,700 (2022)
Projected traffic19,897 by 2046
Trucks6%
Lanes on structure5
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 6584-ALLEN RD over Ill 6 built?

It was built in 1982, making it 43 years old in 2025.

What condition is FAU 6584-ALLEN RD over Ill 6 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 May 2024.

How much traffic does FAU 6584-ALLEN RD over Ill 6 carry?

About 16,700 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is FAU 6584-ALLEN RD over Ill 6?

The structure is 267 ft (81.4 m) long with a longest span of 110 ft (33.4 m) and a deck 87 ft wide.

Who owns FAU 6584-ALLEN RD over Ill 6?

It is owned by the State Highway Agency.