US Bridges

FAS 928 over Cache River

Fair

Johnson County, Illinois · NW1/4 Sec 6 T14S R3E · Structure no. 044300600000000

Built
1948
77 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
224 ft
3 main spans
Daily traffic
550
2021 count
Owner
County
County Highway Agency

About this bridge

FAS 928 over Cache River is a steel continuous stringer/multi-beam or girder carrying FAS 928 over Cache River in Johnson County, Illinois. It was built in 1948, so it is 77 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 550 vehicles a day, roughly 7% of them trucks, projected to reach 578 by 2046. The structure is 224 ft (68.2 m) long and 24 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesFAS 928
CrossesCache River
LocationNW1/4 Sec 6 T14S R3E
RouteCounty Highway 0
Coordinates37.33507, -88.92533
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating23.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length224 ft (68.2 m)
Longest span86 ft (26.2 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2021)
Projected traffic578 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 928 over Cache River built?

It was built in 1948, making it 77 years old in 2025.

What condition is FAS 928 over Cache 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 February 2025.

How much traffic does FAS 928 over Cache River carry?

About 550 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAS 928 over Cache River?

The structure is 224 ft (68.2 m) long with a longest span of 86 ft (26.2 m) and a deck 24 ft wide.

Who owns FAS 928 over Cache River?

It is owned by the County Highway Agency.