US Bridges

FAS 294/OLD 66A over Inter Stream

FairPosted for load

McLean County, Illinois · 11.05 MI S of US 24 · Structure no. 057003300000000

Built
1954
71 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
2,800
2024 count
Owner
State
State Highway Agency

About this bridge

FAS 294/OLD 66A over Inter Stream is a concrete slab carrying FAS 294/OLD 66A over Inter Stream in McLean County, Illinois. It was built in 1954, so it is 71 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. Its operating status is: posted for load restriction.

It carries about 2,800 vehicles a day, roughly 9% of them trucks, projected to reach 3,131 by 2046. The structure is 26 ft (8 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesFAS 294/OLD 66A
CrossesInter Stream
Location11.05 MI S of US 24
RouteCounty Highway 0
CountyMcLean County
StateIllinois
Coordinates40.60654, -88.83616
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length26 ft (8 m)
Longest span24 ft (7.2 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2024)
Projected traffic3,131 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 FAS 294/OLD 66A over Inter Stream built?

It was built in 1954, making it 71 years old in 2025.

What condition is FAS 294/OLD 66A over Inter Stream 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 February 2025.

How much traffic does FAS 294/OLD 66A over Inter Stream carry?

About 2,800 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is FAS 294/OLD 66A over Inter Stream?

The structure is 26 ft (8 m) long with a longest span of 24 ft (7.2 m) and a deck 47 ft wide.

Who owns FAS 294/OLD 66A over Inter Stream?

It is owned by the State Highway Agency.