US Bridges

Billhartz Rd-Fas 7 over FAI 64

Fair

Clinton County, Illinois · 1 MI W Damiansville · Structure no. 014003900000000

Built
1970
55 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
188 ft
2 main spans
Daily traffic
250
2020 count
Owner
State
State Highway Agency

About this bridge

Billhartz Rd-Fas 7 over FAI 64 is a steel continuous stringer/multi-beam or girder carrying Billhartz Rd-Fas 7 over FAI 64 in Clinton County, Illinois. It was built in 1970, so it is 55 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 250 vehicles a day, roughly 7% of them trucks, projected to reach 275 by 2046. The structure is 188 ft (57.4 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesBillhartz Rd-Fas 7
CrossesFAI 64
Location1 MI W Damiansville
RouteCounty Highway 0
CountyClinton County
StateIllinois
Coordinates38.51151, -89.64908
Functional classRural Minor 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
Deck7 GoodSome minor problems.
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 inspectionFebruary 2025
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 rating85.3 US tons
Inventory rating45.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 15
Structure length188 ft (57.4 m)
Longest span93 ft (28.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic275 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 Billhartz Rd-Fas 7 over FAI 64 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Billhartz Rd-Fas 7 over FAI 64 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 Billhartz Rd-Fas 7 over FAI 64 carry?

About 250 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Billhartz Rd-Fas 7 over FAI 64?

The structure is 188 ft (57.4 m) long with a longest span of 93 ft (28.4 m) and a deck 30 ft wide.

Who owns Billhartz Rd-Fas 7 over FAI 64?

It is owned by the State Highway Agency.