US Bridges

FAS-917 over Worthern Bayou

Poor

Jackson County, Illinois · E Line Sec 20-9-3 · Structure no. 039312300000000

Built
1976
49 years old
Condition
Poor
inspected May 2023
Type
Channel Beam
Concrete
Length
88 ft
3 main spans
Daily traffic
800
2022 count
Owner
County
County Highway Agency

About this bridge

FAS-917 over Worthern Bayou is a concrete channel beam carrying FAS-917 over Worthern Bayou in Jackson County, Illinois. It was built in 1976, so it is 49 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 800 vehicles a day, roughly 8% of them trucks, projected to reach 859 by 2046. The structure is 88 ft (26.8 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAS-917
CrossesWorthern Bayou
LocationE Line Sec 20-9-3
RouteCounty Highway 0
CountyJackson County
StateIllinois
Coordinates37.73098, -89.4546
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating57.5 US tons
Inventory rating34.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span29 ft (8.9 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2022)
Projected traffic859 by 2046
Trucks8%
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-917 over Worthern Bayou built?

It was built in 1976, making it 49 years old in 2025.

What condition is FAS-917 over Worthern Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does FAS-917 over Worthern Bayou carry?

About 800 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is FAS-917 over Worthern Bayou?

The structure is 88 ft (26.8 m) long with a longest span of 29 ft (8.9 m) and a deck 30 ft wide.

Who owns FAS-917 over Worthern Bayou?

It is owned by the County Highway Agency.