US Bridges

FAS 329 Ch 10 Sa 1 over Fountain Creek

Fair

Iroquois County, Illinois · 5.06 MI E of Ill 49 · Structure no. 038006800000000

Built
1958
67 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
500
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 329 Ch 10 Sa 1 over Fountain Creek is a concrete continuous slab carrying FAS 329 Ch 10 Sa 1 over Fountain Creek in Iroquois County, Illinois. It was built in 1958, so it is 67 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 500 vehicles a day, roughly 12% of them trucks, projected to reach 581 by 2046. The structure is 90 ft (27.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 329 Ch 10 Sa 1
CrossesFountain Creek
Location5.06 MI E of Ill 49
RouteCounty Highway 0
Coordinates40.55982, -87.79645
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length90 ft (27.4 m)
Longest span33 ft (10.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic581 by 2046
Trucks12%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$222,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 329 Ch 10 Sa 1 over Fountain Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is FAS 329 Ch 10 Sa 1 over Fountain 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 September 2024.

How much traffic does FAS 329 Ch 10 Sa 1 over Fountain Creek carry?

About 500 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is FAS 329 Ch 10 Sa 1 over Fountain Creek?

The structure is 90 ft (27.4 m) long with a longest span of 33 ft (10.1 m) and a deck 26 ft wide.

Who owns FAS 329 Ch 10 Sa 1 over Fountain Creek?

It is owned by the County Highway Agency.