US Bridges

TR 18 over Clear Creek

Good

Christian County, Illinois · 1.5 MI SW Tovey · Structure no. 011504900000000

Built
2020
5 years old
Condition
Good
inspected December 2024
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
100
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 18 over Clear Creek is a steel culvert carrying TR 18 over Clear Creek in Christian County, Illinois. It was built in 2020, so it is 5 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 100 vehicles a day, roughly 23% of them trucks, projected to reach 101 by 2046. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 18
CrossesClear Creek
Location1.5 MI SW Tovey
RouteCounty Highway 0
Coordinates39.57533, -89.47809
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating41.4 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length20 ft (6.2 m)
Longest span9 ft (2.8 m)
Deck width0 ft (0 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic101 by 2046
Trucks23%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 18 over Clear Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is TR 18 over Clear 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 December 2024.

How much traffic does TR 18 over Clear Creek carry?

About 100 vehicles per day (2021 count), of which roughly 23% are trucks.

How long is TR 18 over Clear Creek?

The structure is 20 ft (6.2 m) long with a longest span of 9 ft (2.8 m).

Who owns TR 18 over Clear Creek?

It is owned by the Town or Township Highway Agency.