US Bridges

FAS 927 over Trib to Cedar Creek

Fair

Johnson County, Illinois · 0.5 MI NW of Simpson · Structure no. 044310700000000

Built
1990
35 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
450
2021 count
Owner
County
County Highway Agency

About this bridge

FAS 927 over Trib to Cedar Creek is a prestressed concrete box beam or girders - multiple carrying FAS 927 over Trib to Cedar Creek in Johnson County, Illinois. It was built in 1990, so it is 35 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 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 450 vehicles a day, roughly 11% of them trucks, projected to reach 473 by 2046. The structure is 61 ft (18.7 m) long and 28 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesFAS 927
CrossesTrib to Cedar Creek
Location0.5 MI NW of Simpson
RouteCounty Highway 0
Coordinates37.47224, -88.77456
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length61 ft (18.7 m)
Longest span59 ft (17.9 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2021)
Projected traffic473 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 927 over Trib to Cedar Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is FAS 927 over Trib to Cedar Creek 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 927 over Trib to Cedar Creek carry?

About 450 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is FAS 927 over Trib to Cedar Creek?

The structure is 61 ft (18.7 m) long with a longest span of 59 ft (17.9 m) and a deck 28 ft wide.

Who owns FAS 927 over Trib to Cedar Creek?

It is owned by the County Highway Agency.