US Bridges

Il 178 FAS 1279 over Creek

Good

LaSalle County, Illinois · 2.25 MI S of Il 71 · Structure no. 050204000000000

Built
2007
18 years old
Condition
Good
inspected March 2021
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
2,750
2023 count
Owner
State
State Highway Agency

About this bridge

Il 178 FAS 1279 over Creek is a concrete culvert carrying Il 178 FAS 1279 over Creek in LaSalle County, Illinois. It was built in 2007, so it is 18 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 2,750 vehicles a day, roughly 8% of them trucks, projected to reach 2,323 by 2046. The structure is 29 ft (8.9 m) long and 72 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIl 178 FAS 1279
CrossesCreek
Location2.25 MI S of Il 71
RouteState Highway 178
Coordinates41.2762, -89.01046
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.9 m)
Longest span12 ft (3.8 m)
Deck width72 ft (21.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,750 (2023)
Projected traffic2,323 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Il 178 FAS 1279 over Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Il 178 FAS 1279 over 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 March 2021.

How much traffic does Il 178 FAS 1279 over Creek carry?

About 2,750 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Il 178 FAS 1279 over Creek?

The structure is 29 ft (8.9 m) long with a longest span of 12 ft (3.8 m) and a deck 72 ft wide.

Who owns Il 178 FAS 1279 over Creek?

It is owned by the State Highway Agency.