US Bridges

FAS 363 Ch 9 over Mackinaw River

Fair

Woodford County, Illinois · 5 MI SW Kappa · Structure no. 102313200000000

Built
1980
45 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
302 ft
3 main spans
Daily traffic
325
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 363 Ch 9 over Mackinaw River is a steel continuous stringer/multi-beam or girder carrying FAS 363 Ch 9 over Mackinaw River in Woodford County, Illinois. It was built in 1980, so it is 45 years old, younger 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 325 vehicles a day, roughly 10% of them trucks, projected to reach 328 by 2046. The structure is 302 ft (91.9 m) long and 31 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesFAS 363 Ch 9
CrossesMackinaw River
Location5 MI SW Kappa
RouteCounty Highway 0
CountyWoodford County
StateIllinois
Coordinates40.66125, -89.10185
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length302 ft (91.9 m)
Longest span117 ft (35.7 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2020)
Projected traffic328 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 363 Ch 9 over Mackinaw River built?

It was built in 1980, making it 45 years old in 2025.

What condition is FAS 363 Ch 9 over Mackinaw 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 June 2024.

How much traffic does FAS 363 Ch 9 over Mackinaw River carry?

About 325 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is FAS 363 Ch 9 over Mackinaw River?

The structure is 302 ft (91.9 m) long with a longest span of 117 ft (35.7 m) and a deck 31 ft wide.

Who owns FAS 363 Ch 9 over Mackinaw River?

It is owned by the County Highway Agency.