US Bridges

TR 145 over Upper Salt Fork

Fair

Champaign County, Illinois · 3.5 MI N ST Joseph · Structure no. 010410900000000

Built
1977
48 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
110 ft
3 main spans
Daily traffic
150
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 145 over Upper Salt Fork is a prestressed concrete box beam or girders - multiple carrying TR 145 over Upper Salt Fork in Champaign County, Illinois. It was built in 1977, so it is 48 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 150 vehicles a day, roughly 23% of them trucks, projected to reach 152 by 2046. The structure is 110 ft (33.5 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 145
CrossesUpper Salt Fork
Location3.5 MI N ST Joseph
RouteCounty Highway 0
Coordinates40.16418, -88.04188
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span59 ft (18 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2021)
Projected traffic152 by 2046
Trucks23%
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 145 over Upper Salt Fork built?

It was built in 1977, making it 48 years old in 2025.

What condition is TR 145 over Upper Salt Fork in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does TR 145 over Upper Salt Fork carry?

About 150 vehicles per day (2021 count), of which roughly 23% are trucks.

How long is TR 145 over Upper Salt Fork?

The structure is 110 ft (33.5 m) long with a longest span of 59 ft (18 m) and a deck 25 ft wide.

Who owns TR 145 over Upper Salt Fork?

It is owned by the Town or Township Highway Agency.