US Bridges

FAS 319 Ch 8 over Prairie Creek

Good

Iroquois County, Illinois · .11 N US24 Lahoguerd · Structure no. 038401100000000

Built
2010
15 years old
Condition
Good
inspected April 2021
Type
Slab
Concrete Continuous
Length
68 ft
2 main spans
Daily traffic
400
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 319 Ch 8 over Prairie Creek is a concrete continuous slab carrying FAS 319 Ch 8 over Prairie 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 400 vehicles a day, roughly 30% of them trucks, projected to reach 354 by 2046. The structure is 68 ft (20.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFAS 319 Ch 8
CrossesPrairie Creek
Location.11 N US24 Lahoguerd
RouteCounty Highway 0
CountyIroquois County
StateIllinois
Coordinates40.75121, -88.08744
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 inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 25 or greater
Structure length68 ft (20.7 m)
Longest span22 ft (6.6 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic354 by 2046
Trucks30%
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 319 Ch 8 over Prairie Creek built?

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

What condition is FAS 319 Ch 8 over Prairie 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 April 2021.

How much traffic does FAS 319 Ch 8 over Prairie Creek carry?

About 400 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is FAS 319 Ch 8 over Prairie Creek?

The structure is 68 ft (20.7 m) long with a longest span of 22 ft (6.6 m) and a deck 30 ft wide.

Who owns FAS 319 Ch 8 over Prairie Creek?

It is owned by the County Highway Agency.