US Bridges

FAS 787 over East Fork Kaskaskia

Fair

Clinton County, Illinois · 1.5 S Fayette CO Lin · Structure no. 014302700000000

Built
1965
60 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
180 ft
3 main spans
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 787 over East Fork Kaskaskia is a steel continuous stringer/multi-beam or girder carrying FAS 787 over East Fork Kaskaskia in Clinton County, Illinois. It was built in 1965, so it is 60 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 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 300 vehicles a day, roughly 12% of them trucks, projected to reach 330 by 2046. The structure is 180 ft (54.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAS 787
CrossesEast Fork Kaskaskia
Location1.5 S Fayette CO Lin
RouteCounty Highway 0
CountyClinton County
StateIllinois
Coordinates38.71824, -89.19774
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length180 ft (54.9 m)
Longest span65 ft (19.8 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic330 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 787 over East Fork Kaskaskia built?

It was built in 1965, making it 60 years old in 2025.

What condition is FAS 787 over East Fork Kaskaskia 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 January 2025.

How much traffic does FAS 787 over East Fork Kaskaskia carry?

About 300 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is FAS 787 over East Fork Kaskaskia?

The structure is 180 ft (54.9 m) long with a longest span of 65 ft (19.8 m) and a deck 28 ft wide.

Who owns FAS 787 over East Fork Kaskaskia?

It is owned by the County Highway Agency.