US Bridges

FAS 329 Ch 10 Sa 1 over Fountain Creek

Good

Iroquois County, Illinois · 3.68 MI W Old Ill 1 · Structure no. 038440400000000

Built
2010
15 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
500
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 329 Ch 10 Sa 1 over Fountain Creek is a steel stringer/multi-beam or girder carrying FAS 329 Ch 10 Sa 1 over Fountain Creek in Iroquois County, Illinois. It was built in 2010, so it is 15 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 500 vehicles a day, roughly 14% of them trucks, projected to reach 480 by 2046. The structure is 72 ft (21.8 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFAS 329 Ch 10 Sa 1
CrossesFountain Creek
Location3.68 MI W Old Ill 1
RouteCounty Highway 0
Coordinates40.55985, -87.76319
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length72 ft (21.8 m)
Longest span69 ft (21 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic480 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 329 Ch 10 Sa 1 over Fountain Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is FAS 329 Ch 10 Sa 1 over Fountain Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. 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 14% are trucks.

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

The structure is 72 ft (21.8 m) long with a longest span of 69 ft (21 m) and a deck 30 ft wide.

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

It is owned by the County Highway Agency.