US Bridges

TR 33-KELLY Road over Trib to Plum Creek

Good

Randolph County, Illinois · 3MI N of Sparta · Structure no. 079419800000000

Built
2007
18 years old
Condition
Good
inspected August 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

TR 33-KELLY Road over Trib to Plum Creek is a prestressed concrete box beam or girders - multiple carrying TR 33-KELLY Road over Trib to Plum Creek in Randolph County, Illinois. It was built in 2007, so it is 18 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 51 by 2046. The structure is 41 ft (12.6 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 33-KELLY Road
CrossesTrib to Plum Creek
Location3MI N of Sparta
RouteCounty Highway 0
Coordinates38.19073, -89.6897
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length41 ft (12.6 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic51 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
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 TR 33-KELLY Road over Trib to Plum Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is TR 33-KELLY Road over Trib to Plum 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 August 2021.

How much traffic does TR 33-KELLY Road over Trib to Plum Creek carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is TR 33-KELLY Road over Trib to Plum Creek?

The structure is 41 ft (12.6 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns TR 33-KELLY Road over Trib to Plum Creek?

It is owned by the County Highway Agency.