US Bridges

C.H. 33 over Slater Creek

Good

Hancock County, Illinois · 1 M W Bowen · Structure no. 034391700000000

Built
2003
22 years old
Condition
Good
inspected February 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
850
2023 count
Owner
County
County Highway Agency

About this bridge

C.H. 33 over Slater Creek is a prestressed concrete box beam or girders - multiple carrying C.H. 33 over Slater Creek in Hancock County, Illinois. It was built in 2003, so it is 22 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 850 vehicles a day, roughly 9% of them trucks, projected to reach 1,010 by 2046. The structure is 122 ft (37.1 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesC.H. 33
CrossesSlater Creek
Location1 M W Bowen
RouteCounty Highway 0
CountyHancock County
StateIllinois
Coordinates40.23196, -91.08206
Functional classRural Major 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length122 ft (37.1 m)
Longest span50 ft (15.3 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2023)
Projected traffic1,010 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C.H. 33 over Slater Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is C.H. 33 over Slater 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 February 2022.

How much traffic does C.H. 33 over Slater Creek carry?

About 850 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is C.H. 33 over Slater Creek?

The structure is 122 ft (37.1 m) long with a longest span of 50 ft (15.3 m) and a deck 30 ft wide.

Who owns C.H. 33 over Slater Creek?

It is owned by the County Highway Agency.