US Bridges

Ill 64 and US 52 over Straddle Creek

Fair

Carroll County, Illinois · 3.4 MI E JCT Ill 78 · Structure no. 008000500000000

Built
1952
73 years old, rebuilt 1993
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
102 ft
3 main spans
Daily traffic
2,950
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 64 and US 52 over Straddle Creek is a steel continuous stringer/multi-beam or girder carrying Ill 64 and US 52 over Straddle Creek in Carroll County, Illinois. It was built in 1952 and reconstructed in 1993, so it is 73 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 5 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 2,950 vehicles a day, roughly 17% of them trucks, projected to reach 3,283 by 2046. The structure is 102 ft (31.2 m) long and 35 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesIll 64 and US 52
CrossesStraddle Creek
Location3.4 MI E JCT Ill 78
RouteU.S. Route 52
Coordinates42.09506, -89.91549
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating66.8 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.2 m)
Longest span38 ft (11.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,950 (2023)
Projected traffic3,283 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 64 and US 52 over Straddle Creek built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1993.

What condition is Ill 64 and US 52 over Straddle 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 64 and US 52 over Straddle Creek carry?

About 2,950 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Ill 64 and US 52 over Straddle Creek?

The structure is 102 ft (31.2 m) long with a longest span of 38 ft (11.5 m) and a deck 35 ft wide.

Who owns Ill 64 and US 52 over Straddle Creek?

It is owned by the State Highway Agency.