US Bridges

Brisbin RD (fau 40 over FAI 80

Fair

Grundy County, Illinois · 3.72 MI E of Ill 47 · Structure no. 032011500000000

Built
2011
14 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
251 ft
2 main spans
Daily traffic
3,375
2024 count
Owner
State
State Highway Agency

About this bridge

Brisbin RD (fau 40 over FAI 80 is a steel continuous stringer/multi-beam or girder carrying Brisbin RD (fau 40 over FAI 80 in Grundy County, Illinois. It was built in 2011, so it is 14 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 3,375 vehicles a day, roughly 33% of them trucks, projected to reach 2,190 by 2046. The structure is 251 ft (76.6 m) long and 81 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesBrisbin RD (fau 40
CrossesFAI 80
Location3.72 MI E of Ill 47
CountyGrundy County
StateIllinois
Coordinates41.42109, -88.36489
Functional classUrban Collector

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.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length251 ft (76.6 m)
Longest span121 ft (37 m)
Deck width81 ft (24.7 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,375 (2024)
Projected traffic2,190 by 2046
Trucks33%
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 Brisbin RD (fau 40 over FAI 80 built?

It was built in 2011, making it 14 years old in 2025.

What condition is Brisbin RD (fau 40 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 March 2023.

How much traffic does Brisbin RD (fau 40 over FAI 80 carry?

About 3,375 vehicles per day (2024 count), of which roughly 33% are trucks.

How long is Brisbin RD (fau 40 over FAI 80?

The structure is 251 ft (76.6 m) long with a longest span of 121 ft (37 m) and a deck 81 ft wide.

Who owns Brisbin RD (fau 40 over FAI 80?

It is owned by the State Highway Agency.