US Bridges

Il 105(FAP 714) over Spring Creek

Fair

Macon County, Illinois · South Side DR Decatu · Structure no. 058011200000000

Built
1980
45 years old, rebuilt 1989
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
90 ft
3 main spans
Daily traffic
9,800
2023 count
Owner
State
State Highway Agency

About this bridge

Il 105(FAP 714) over Spring Creek is a steel continuous stringer/multi-beam or girder carrying Il 105(FAP 714) over Spring Creek in Macon County, Illinois. It was built in 1980 and reconstructed in 1989, so it is 45 years old, younger 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 5 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 9,800 vehicles a day, roughly 4% of them trucks, projected to reach 10,605 by 2046. The structure is 90 ft (27.3 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIl 105(FAP 714)
CrossesSpring Creek
LocationSouth Side DR Decatu
RouteState Highway 105
Coordinates39.82378, -88.97054
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating34.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length90 ft (27.3 m)
Longest span34 ft (10.5 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,800 (2023)
Projected traffic10,605 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Il 105(FAP 714) over Spring Creek built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 1989.

What condition is Il 105(FAP 714) over Spring Creek 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 August 2024.

How much traffic does Il 105(FAP 714) over Spring Creek carry?

About 9,800 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Il 105(FAP 714) over Spring Creek?

The structure is 90 ft (27.3 m) long with a longest span of 34 ft (10.5 m) and a deck 76 ft wide.

Who owns Il 105(FAP 714) over Spring Creek?

It is owned by the State Highway Agency.