US Bridges

CH-33 over Turkey Run

Good

Marion County, Illinois · 2 MI SE Sandoval · Structure no. 061304000000000

Built
1909
116 years old, rebuilt 1975
Condition
Good
inspected February 2024
Type
Channel Beam
Concrete
Length
37 ft
1 main span
Daily traffic
625
2022 count
Owner
County
County Highway Agency

About this bridge

CH-33 over Turkey Run is a concrete channel beam carrying CH-33 over Turkey Run in Marion County, Illinois. It was built in 1909 and reconstructed in 1975, so it is 116 years old, older 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 625 vehicles a day, roughly 6% of them trucks, projected to reach 1,111 by 2046. The structure is 37 ft (11.3 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCH-33
CrossesTurkey Run
Location2 MI SE Sandoval
RouteCounty Highway 0
Coordinates38.5906, -89.08995
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2022)
Projected traffic1,111 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$133,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CH-33 over Turkey Run built?

It was built in 1909, making it 116 years old in 2025. It was reconstructed in 1975.

What condition is CH-33 over Turkey Run 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 February 2024.

How much traffic does CH-33 over Turkey Run carry?

About 625 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is CH-33 over Turkey Run?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 23 ft wide.

Who owns CH-33 over Turkey Run?

It is owned by the County Highway Agency.