US Bridges

Unsicker RD - TR 1 over Dillion Creek

Good

Tazewell County, Illinois · E. CTR-36-T25NR4W · Structure no. 090325800000000

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
375
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Unsicker RD - TR 1 over Dillion Creek is a prestressed concrete box beam or girders - multiple carrying Unsicker RD - TR 1 over Dillion Creek in Tazewell County, Illinois. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 375 vehicles a day, roughly 14% of them trucks, projected to reach 429 by 2046. The structure is 61 ft (18.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUnsicker RD - TR 1
CrossesDillion Creek
LocationE. CTR-36-T25NR4W
RouteCounty Highway 0
Coordinates40.57756, -89.49822
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating52.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length61 ft (18.7 m)
Longest span59 ft (17.9 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2023)
Projected traffic429 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Unsicker RD - TR 1 over Dillion Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Unsicker RD - TR 1 over Dillion 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 Unsicker RD - TR 1 over Dillion Creek carry?

About 375 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Unsicker RD - TR 1 over Dillion Creek?

The structure is 61 ft (18.7 m) long with a longest span of 59 ft (17.9 m) and a deck 30 ft wide.

Who owns Unsicker RD - TR 1 over Dillion Creek?

It is owned by the Town or Township Highway Agency.