US Bridges

TR 108 A(fau 7424) over Stevens Creek

Poor

Macon County, Illinois · 1 MI S of Ill 121 · Structure no. 058320000000000

Built
1975
50 years old
Condition
Poor
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
145 ft
3 main spans
Daily traffic
850
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 108 A(fau 7424) over Stevens Creek is a prestressed concrete box beam or girders - multiple carrying TR 108 A(fau 7424) over Stevens Creek in Macon County, Illinois. It was built in 1975, so it is 50 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 850 vehicles a day, roughly 7% of them trucks, projected to reach 783 by 2046. The structure is 145 ft (44.2 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 108 A(fau 7424)
CrossesStevens Creek
Location1 MI S of Ill 121
Coordinates39.87191, -88.99071
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span47 ft (14.4 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2023)
Projected traffic783 by 2046
Trucks7%
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 108 A(fau 7424) over Stevens Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is TR 108 A(fau 7424) over Stevens Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does TR 108 A(fau 7424) over Stevens Creek carry?

About 850 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is TR 108 A(fau 7424) over Stevens Creek?

The structure is 145 ft (44.2 m) long with a longest span of 47 ft (14.4 m) and a deck 32 ft wide.

Who owns TR 108 A(fau 7424) over Stevens Creek?

It is owned by the Town or Township Highway Agency.