US Bridges

Ill 23 FAP 68 over Buck Creek

Fair

LaSalle County, Illinois · 2.36 MI S of US 52 · Structure no. 050200100000000

Built
1970
55 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
27 ft
3 main spans
Daily traffic
3,350
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 23 FAP 68 over Buck Creek is a concrete continuous culvert carrying Ill 23 FAP 68 over Buck Creek in LaSalle County, Illinois. It was built in 1970, so it is 55 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 3,350 vehicles a day, roughly 10% of them trucks, projected to reach 3,788 by 2046. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIll 23 FAP 68
CrossesBuck Creek
Location2.36 MI S of US 52
RouteState Highway 23
Coordinates41.43671, -88.83572
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span8 ft (2.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,350 (2023)
Projected traffic3,788 by 2046
Trucks10%
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

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 Ill 23 FAP 68 over Buck Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Ill 23 FAP 68 over Buck 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 February 2024.

How much traffic does Ill 23 FAP 68 over Buck Creek carry?

About 3,350 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ill 23 FAP 68 over Buck Creek?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.5 m).

Who owns Ill 23 FAP 68 over Buck Creek?

It is owned by the State Highway Agency.