US Bridges

Il 4 over S Trib to Maxwell CR

Good

Randolph County, Illinois · 0.5 MI S Sparta · Structure no. 079200600000000

Built
1996
29 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
3,000
2023 count
Owner
State
State Highway Agency

About this bridge

Il 4 over S Trib to Maxwell CR is a concrete culvert carrying Il 4 over S Trib to Maxwell CR in Randolph County, Illinois. It was built in 1996, so it is 29 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,000 vehicles a day, roughly 10% of them trucks, projected to reach 3,232 by 2046. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesIl 4
CrossesS Trib to Maxwell CR
Location0.5 MI S Sparta
RouteState Highway 4
Coordinates38.10454, -89.70383
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic3,232 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 4 over S Trib to Maxwell CR built?

It was built in 1996, making it 29 years old in 2025.

What condition is Il 4 over S Trib to Maxwell CR 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 October 2023.

How much traffic does Il 4 over S Trib to Maxwell CR carry?

About 3,000 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Il 4 over S Trib to Maxwell CR?

The structure is 24 ft (7.2 m) long with a longest span of 10 ft (3 m).

Who owns Il 4 over S Trib to Maxwell CR?

It is owned by the State Highway Agency.