US Bridges

FAS 470 - Ch 6 over I-74

Fair

Tazewell County, Illinois · SW of Deer Creek · Structure no. 090007700000000

Built
1960
65 years old, rebuilt 1990
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
218 ft
4 main spans
Daily traffic
1,200
2023 count
Owner
State
State Highway Agency

About this bridge

FAS 470 - Ch 6 over I-74 is a steel continuous stringer/multi-beam or girder carrying FAS 470 - Ch 6 over I-74 in Tazewell County, Illinois. It was built in 1960 and reconstructed in 1990, so it is 65 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 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 1,200 vehicles a day, roughly 8% of them trucks, projected to reach 1,162 by 2046. The structure is 218 ft (66.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 470 - Ch 6
CrossesI-74
LocationSW of Deer Creek
RouteCounty Highway 0
Coordinates40.62249, -89.34667
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 rating49.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length218 ft (66.4 m)
Longest span68 ft (20.6 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2023)
Projected traffic1,162 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 FAS 470 - Ch 6 over I-74 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1990.

What condition is FAS 470 - Ch 6 over I-74 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 FAS 470 - Ch 6 over I-74 carry?

About 1,200 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is FAS 470 - Ch 6 over I-74?

The structure is 218 ft (66.4 m) long with a longest span of 68 ft (20.6 m) and a deck 32 ft wide.

Who owns FAS 470 - Ch 6 over I-74?

It is owned by the State Highway Agency.