US Bridges

TR 203 over Trib to Kaskaskia

Good

Randolph County, Illinois · 3 M NW Ellis Grove · Structure no. 079430300000000

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

TR 203 over Trib to Kaskaskia is a prestressed concrete box beam or girders - multiple carrying TR 203 over Trib to Kaskaskia in Randolph County, Illinois. It was built in 2013, so it is 12 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 50 vehicles a day, roughly 8% of them trucks, projected to reach 51 by 2046. The structure is 55 ft (16.9 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTR 203
CrossesTrib to Kaskaskia
Location3 M NW Ellis Grove
RouteCounty Highway 0
Coordinates38.03579, -89.95728
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length55 ft (16.9 m)
Longest span53 ft (16.2 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
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 203 over Trib to Kaskaskia built?

It was built in 2013, making it 12 years old in 2025.

What condition is TR 203 over Trib to Kaskaskia 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 September 2023.

How much traffic does TR 203 over Trib to Kaskaskia carry?

About 50 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is TR 203 over Trib to Kaskaskia?

The structure is 55 ft (16.9 m) long with a longest span of 53 ft (16.2 m) and a deck 24 ft wide.

Who owns TR 203 over Trib to Kaskaskia?

It is owned by the County Highway Agency.