US Bridges

Il 13 over Trib to Kaskaskia Rv

Good

St. Clair County, Illinois · 2.2M N New Athens · Structure no. 082203600000000

Built
1996
29 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
5,450
2023 count
Owner
State
State Highway Agency

About this bridge

Il 13 over Trib to Kaskaskia Rv is a concrete continuous culvert carrying Il 13 over Trib to Kaskaskia Rv in St. Clair 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 5,450 vehicles a day, roughly 10% of them trucks, projected to reach 5,909 by 2046. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 31.7 mi (51 km).

CarriesIl 13
CrossesTrib to Kaskaskia Rv
Location2.2M N New Athens
RouteState Highway 13
Coordinates38.33794, -89.90856
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,450 (2023)
Projected traffic5,909 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 13 over Trib to Kaskaskia Rv built?

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

What condition is Il 13 over Trib to Kaskaskia Rv 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 2024.

How much traffic does Il 13 over Trib to Kaskaskia Rv carry?

About 5,450 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Il 13 over Trib to Kaskaskia Rv?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Il 13 over Trib to Kaskaskia Rv?

It is owned by the State Highway Agency.