US Bridges

Alexander (fau 733 over Coon Creek

Fair

De Witt County, Illinois · City of Clinton · Structure no. 020600000000000

Built
1930
95 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
32 ft
4 main spans
Daily traffic
700
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Alexander (fau 733 over Coon Creek is a concrete culvert carrying Alexander (fau 733 over Coon Creek in De Witt County, Illinois. It was built in 1930, so it is 95 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 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 700 vehicles a day, roughly 7% of them trucks, projected to reach 808 by 2046. The structure is 32 ft (9.8 m) long and 33 ft wide.

Location

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CarriesAlexander (fau 733
CrossesCoon Creek
LocationCity of Clinton
CountyDe Witt County
StateIllinois
Coordinates40.14836, -88.95229
Functional classRural Minor 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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span7 ft (2.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2022)
Projected traffic808 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Alexander (fau 733 over Coon Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Alexander (fau 733 over Coon 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 Alexander (fau 733 over Coon Creek carry?

About 700 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Alexander (fau 733 over Coon Creek?

The structure is 32 ft (9.8 m) long with a longest span of 7 ft (2.1 m) and a deck 33 ft wide.

Who owns Alexander (fau 733 over Coon Creek?

It is owned by the City or Municipal Highway Agency.