US Bridges

FAP 325(IL 16) over Kaskaskia River

Fair

Shelby County, Illinois · In Shelbyville · Structure no. 087002000000000

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
208 ft
2 main spans
Daily traffic
6,500
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 325(IL 16) over Kaskaskia River is a steel continuous stringer/multi-beam or girder carrying FAP 325(IL 16) over Kaskaskia River in Shelby County, Illinois. It was built in 1975, so it is 50 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 6,500 vehicles a day, roughly 10% of them trucks, projected to reach 7,424 by 2046. The structure is 208 ft (63.4 m) long and 90 ft wide.

Location

Open in Google Maps
CarriesFAP 325(IL 16)
CrossesKaskaskia River
LocationIn Shelbyville
RouteState Highway 16
CountyShelby County
StateIllinois
Coordinates39.40589, -88.78418
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span102 ft (31.2 m)
Deck width90 ft (27.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2023)
Projected traffic7,424 by 2046
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 FAP 325(IL 16) over Kaskaskia River built?

It was built in 1975, making it 50 years old in 2025.

What condition is FAP 325(IL 16) over Kaskaskia River 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 July 2024.

How much traffic does FAP 325(IL 16) over Kaskaskia River carry?

About 6,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is FAP 325(IL 16) over Kaskaskia River?

The structure is 208 ft (63.4 m) long with a longest span of 102 ft (31.2 m) and a deck 90 ft wide.

Who owns FAP 325(IL 16) over Kaskaskia River?

It is owned by the State Highway Agency.