US Bridges

Il 29 over Clear Creek

Good

Christian County, Illinois · 0.2 MI SE Sharpsburg · Structure no. 011250200000000

Built
2005
20 years old
Condition
Good
inspected March 2021
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
8,550
2023 count
Owner
State
State Highway Agency

About this bridge

Il 29 over Clear Creek is a concrete culvert carrying Il 29 over Clear Creek in Christian County, Illinois. It was built in 2005, so it is 20 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 8,550 vehicles a day, roughly 11% of them trucks, projected to reach 8,484 by 2046. The structure is 41 ft (12.6 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesIl 29
CrossesClear Creek
Location0.2 MI SE Sharpsburg
RouteState Highway 29
Coordinates39.60827, -89.34796
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length41 ft (12.6 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,550 (2023)
Projected traffic8,484 by 2046
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Il 29 over Clear Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Il 29 over Clear 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 March 2021.

How much traffic does Il 29 over Clear Creek carry?

About 8,550 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Il 29 over Clear Creek?

The structure is 41 ft (12.6 m) long with a longest span of 13 ft (3.9 m).

Who owns Il 29 over Clear Creek?

It is owned by the State Highway Agency.