US Bridges

Ch 4 over Clear Creek

Fair

Putnam County, Illinois · 625N 1200E · Structure no. 078310800000000

Built
1986
39 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
125
2023 count
Owner
County
County Highway Agency

About this bridge

Ch 4 over Clear Creek is a prestressed concrete box beam or girders - multiple carrying Ch 4 over Clear Creek in Putnam County, Illinois. It was built in 1986, so it is 39 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 6 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 125 vehicles a day, roughly 16% of them trucks, projected to reach 78 by 2046. The structure is 43 ft (13.1 m) long and 24 ft wide.

CarriesCh 4
CrossesClear Creek
Location625N 1200E
RouteCounty Highway 0
Coordinates41.1942, -89.23972
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic78 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 4 over Clear Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Ch 4 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 July 2024.

How much traffic does Ch 4 over Clear Creek carry?

About 125 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is Ch 4 over Clear Creek?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Ch 4 over Clear Creek?

It is owned by the County Highway Agency.