US Bridges

Il 23 FAP 68 over Buck Creek

Fair

LaSalle County, Illinois · 3.0 MI S of US 52 · Structure no. 050025500000000

Built
2012
13 years old
Condition
Fair
inspected March 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
140 ft
3 main spans
Daily traffic
3,350
2023 count
Owner
State
State Highway Agency

About this bridge

Il 23 FAP 68 over Buck Creek is a prestressed concrete stringer/multi-beam or girder carrying Il 23 FAP 68 over Buck Creek in LaSalle County, Illinois. It was built in 2012, so it is 13 years old, younger 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 140 ft (42.7 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIl 23 FAP 68
CrossesBuck Creek
Location3.0 MI S of US 52
RouteState Highway 23
Coordinates41.42576, -88.83575
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length140 ft (42.7 m)
Longest span67 ft (20.4 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 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 Il 23 FAP 68 over Buck Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Il 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 March 2021.

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

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

How long is Il 23 FAP 68 over Buck Creek?

The structure is 140 ft (42.7 m) long with a longest span of 67 ft (20.4 m) and a deck 39 ft wide.

Who owns Il 23 FAP 68 over Buck Creek?

It is owned by the State Highway Agency.