US Bridges

TR-173 over Crooked Creek

Good

Cumberland County, Illinois · 2.0 M. NW of Jewett · Structure no. 018502100000000

Built
2017
8 years old
Condition
Good
inspected December 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
36 ft
1 main span
Daily traffic
100
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-173 over Crooked Creek is a aluminum, wrought iron, or cast iron culvert carrying TR-173 over Crooked Creek in Cumberland County, Illinois. It was built in 2017, so it is 8 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 15% of them trucks, projected to reach 104 by 2046. The structure is 36 ft (10.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR-173
CrossesCrooked Creek
Location2.0 M. NW of Jewett
RouteCounty Highway 0
Coordinates39.23653, -88.28545
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length36 ft (10.9 m)
Longest span25 ft (7.7 m)
Deck width0 ft (0 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic104 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-173 over Crooked Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is TR-173 over Crooked 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 2023.

How much traffic does TR-173 over Crooked Creek carry?

About 100 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is TR-173 over Crooked Creek?

The structure is 36 ft (10.9 m) long with a longest span of 25 ft (7.7 m).

Who owns TR-173 over Crooked Creek?

It is owned by the Town or Township Highway Agency.