US Bridges

FAS-789 over Jamison Creek

Poor

Marion County, Illinois · N Iuka · Structure no. 061500000000000

Built
1954
71 years old
Condition
Poor
inspected February 2025
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
1,400
2022 count
Owner
County
County Highway Agency

About this bridge

FAS-789 over Jamison Creek is a concrete continuous culvert carrying FAS-789 over Jamison Creek in Marion County, Illinois. It was built in 1954, so it is 71 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 1,400 vehicles a day, roughly 8% of them trucks, projected to reach 1,515 by 2046. The structure is 43 ft (13 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS-789
CrossesJamison Creek
LocationN Iuka
RouteCounty Highway 0
Coordinates38.62308, -88.79013
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 15
Structure length43 ft (13 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2022)
Projected traffic1,515 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-789 over Jamison Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is FAS-789 over Jamison Creek 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 February 2025.

How much traffic does FAS-789 over Jamison Creek carry?

About 1,400 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is FAS-789 over Jamison Creek?

The structure is 43 ft (13 m) long with a longest span of 10 ft (3.2 m).

Who owns FAS-789 over Jamison Creek?

It is owned by the County Highway Agency.