US Bridges

TR 234 a over Upper Salt Creek

Good

Champaign County, Illinois · 2.0 MI SW Dillsburg · Structure no. 010429700000000

Built
1984
41 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
3 main spans
Daily traffic
175
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 234 a over Upper Salt Creek is a prestressed concrete box beam or girders - multiple carrying TR 234 a over Upper Salt Creek in Champaign County, Illinois. It was built in 1984, so it is 41 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 175 vehicles a day, roughly 2% of them trucks, projected to reach 177 by 2046. The structure is 92 ft (28 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 234 a
CrossesUpper Salt Creek
Location2.0 MI SW Dillsburg
RouteCounty Highway 0
Coordinates40.31261, -88.11745
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span44 ft (13.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2021)
Projected traffic177 by 2046
Trucks2%
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 234 a over Upper Salt Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is TR 234 a over Upper Salt 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 January 2024.

How much traffic does TR 234 a over Upper Salt Creek carry?

About 175 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is TR 234 a over Upper Salt Creek?

The structure is 92 ft (28 m) long with a longest span of 44 ft (13.4 m) and a deck 28 ft wide.

Who owns TR 234 a over Upper Salt Creek?

It is owned by the Town or Township Highway Agency.