US Bridges

US 52 & Il 64 over Straddle Creek

Good

Carroll County, Illinois · 2.4 Mi. W. Lanark · Structure no. 008003700000000

Built
1996
29 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
167 ft
3 main spans
Daily traffic
3,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 52 & Il 64 over Straddle Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 52 & Il 64 over Straddle Creek in Carroll County, Illinois. It was built in 1996, so it is 29 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 3,500 vehicles a day, roughly 19% of them trucks, projected to reach 3,737 by 2046. The structure is 167 ft (51 m) long and 35 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesUS 52 & Il 64
CrossesStraddle Creek
Location2.4 Mi. W. Lanark
RouteU.S. Route 52
Coordinates42.09526, -89.89118
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length167 ft (51 m)
Longest span60 ft (18.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2023)
Projected traffic3,737 by 2046
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 US 52 & Il 64 over Straddle Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is US 52 & Il 64 over Straddle 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 June 2022.

How much traffic does US 52 & Il 64 over Straddle Creek carry?

About 3,500 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is US 52 & Il 64 over Straddle Creek?

The structure is 167 ft (51 m) long with a longest span of 60 ft (18.3 m) and a deck 35 ft wide.

Who owns US 52 & Il 64 over Straddle Creek?

It is owned by the State Highway Agency.