US Bridges

Ill 29 over Grove Creek

Fair

Menard County, Illinois · N Edge Greenview · Structure no. 065200100000000

Built
1959
66 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
1,850
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 29 over Grove Creek is a concrete culvert carrying Ill 29 over Grove Creek in Menard County, Illinois. It was built in 1959, so it is 66 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 1,850 vehicles a day, roughly 15% of them trucks, projected to reach 2,020 by 2046. The structure is 33 ft (10.2 m) long. If it were closed, the detour would be 39.8 mi (64 km).

Location

Open in Google Maps
CarriesIll 29
CrossesGrove Creek
LocationN Edge Greenview
RouteState Highway 29
CountyMenard County
StateIllinois
Coordinates40.08632, -89.73494
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length33 ft (10.2 m)
Longest span15 ft (4.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,850 (2023)
Projected traffic2,020 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemNo

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 Ill 29 over Grove Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Ill 29 over Grove 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 Ill 29 over Grove Creek carry?

About 1,850 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Ill 29 over Grove Creek?

The structure is 33 ft (10.2 m) long with a longest span of 15 ft (4.7 m).

Who owns Ill 29 over Grove Creek?

It is owned by the State Highway Agency.