US Bridges

FAS 472 Ch 12 over Six Mile Creek

Fair

McLean County, Illinois · 2.0 MI W Hudson · Structure no. 057471600000000

Built
1983
42 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
64 ft
3 main spans
Daily traffic
800
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 472 Ch 12 over Six Mile Creek is a concrete continuous slab carrying FAS 472 Ch 12 over Six Mile Creek in McLean County, Illinois. It was built in 1983, so it is 42 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 800 vehicles a day, roughly 27% of them trucks, projected to reach 783 by 2046. The structure is 64 ft (19.5 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS 472 Ch 12
CrossesSix Mile Creek
Location2.0 MI W Hudson
RouteCounty Highway 0
Coordinates40.60738, -89.04383
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating47.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2024)
Projected traffic783 by 2046
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 FAS 472 Ch 12 over Six Mile Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is FAS 472 Ch 12 over Six Mile Creek 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 2024.

How much traffic does FAS 472 Ch 12 over Six Mile Creek carry?

About 800 vehicles per day (2024 count), of which roughly 27% are trucks.

How long is FAS 472 Ch 12 over Six Mile Creek?

The structure is 64 ft (19.5 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns FAS 472 Ch 12 over Six Mile Creek?

It is owned by the County Highway Agency.