US Bridges

Il 179 over Long Point Creek

Good

LaSalle County, Illinois · 2.8 M E of US 51 · Structure no. 050202800000000

Built
1995
30 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

Il 179 over Long Point Creek is a concrete culvert carrying Il 179 over Long Point Creek in LaSalle County, Illinois. It was built in 1995, so it is 30 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 19% of them trucks, projected to reach 303 by 2046. The structure is 33 ft (10.1 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIl 179
CrossesLong Point Creek
Location2.8 M E of US 51
RouteCounty Highway 0
Coordinates40.95607, -88.99316
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length33 ft (10.1 m)
Longest span11 ft (3.3 m)
Deck width38 ft (11.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic303 by 2046
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Il 179 over Long Point Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Il 179 over Long Point 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 May 2023.

How much traffic does Il 179 over Long Point Creek carry?

About 300 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is Il 179 over Long Point Creek?

The structure is 33 ft (10.1 m) long with a longest span of 11 ft (3.3 m) and a deck 38 ft wide.

Who owns Il 179 over Long Point Creek?

It is owned by the County Highway Agency.