US Bridges

Mound Rd(fau 7359) over Stevens Creek

Fair

Macon County, Illinois · N Side of Decatur · Structure no. 058306200000000

Built
1968
57 years old, rebuilt 2007
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
137 ft
3 main spans
Daily traffic
4,650
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mound Rd(fau 7359) over Stevens Creek is a prestressed concrete box beam or girders - multiple carrying Mound Rd(fau 7359) over Stevens Creek in Macon County, Illinois. It was built in 1968 and reconstructed in 2007, so it is 57 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 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 4,650 vehicles a day, roughly 5% of them trucks, projected to reach 4,747 by 2046. The structure is 137 ft (41.9 m) long and 51 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesMound Rd(fau 7359)
CrossesStevens Creek
LocationN Side of Decatur
CountyMacon County
StateIllinois
Coordinates39.89089, -88.97266
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length137 ft (41.9 m)
Longest span45 ft (13.8 m)
Deck width51 ft (15.5 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,650 (2023)
Projected traffic4,747 by 2046
Trucks5%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$999,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mound Rd(fau 7359) over Stevens Creek built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2007.

What condition is Mound Rd(fau 7359) over Stevens 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 May 2023.

How much traffic does Mound Rd(fau 7359) over Stevens Creek carry?

About 4,650 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Mound Rd(fau 7359) over Stevens Creek?

The structure is 137 ft (41.9 m) long with a longest span of 45 ft (13.8 m) and a deck 51 ft wide.

Who owns Mound Rd(fau 7359) over Stevens Creek?

It is owned by the City or Municipal Highway Agency.