US Bridges

Ch 33 over Clear Creek

Fair

Sangamon County, Illinois · 1.5 W Mechanicsburg · Structure no. 084342300000000

Built
1981
44 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
104 ft
3 main spans
Daily traffic
550
2022 count
Owner
County
County Highway Agency

About this bridge

Ch 33 over Clear Creek is a steel continuous stringer/multi-beam or girder carrying Ch 33 over Clear Creek in Sangamon County, Illinois. It was built in 1981, so it is 44 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 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 550 vehicles a day, roughly 5% of them trucks, projected to reach 631 by 2046. The structure is 104 ft (31.7 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCh 33
CrossesClear Creek
Location1.5 W Mechanicsburg
RouteCounty Highway 0
CountySangamon County
StateIllinois
Coordinates39.81198, -89.43211
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckWood or timber
Main spans3
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span39 ft (11.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2022)
Projected traffic631 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Ch 33 over Clear Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Ch 33 over Clear 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 2023.

How much traffic does Ch 33 over Clear Creek carry?

About 550 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Ch 33 over Clear Creek?

The structure is 104 ft (31.7 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.

Who owns Ch 33 over Clear Creek?

It is owned by the County Highway Agency.