US Bridges

Mound Rd(fau 7359) over Spring Creek

Good

Macon County, Illinois · N Side Decatur · Structure no. 058303500000000

Built
1964
61 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
94 ft
3 main spans
Daily traffic
13,700
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mound Rd(fau 7359) over Spring Creek is a prestressed concrete box beam or girders - multiple carrying Mound Rd(fau 7359) over Spring Creek in Macon County, Illinois. It was built in 1964, so it is 61 years old, older 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 13,700 vehicles a day, roughly 3% of them trucks, projected to reach 13,837 by 2046. The structure is 94 ft (28.6 m) long and 60 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMound Rd(fau 7359)
CrossesSpring Creek
LocationN Side Decatur
Coordinates39.89162, -88.94375
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating74.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length94 ft (28.6 m)
Longest span31 ft (9.4 m)
Deck width60 ft (18.3 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,700 (2020)
Projected traffic13,837 by 2046
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1964, making it 61 years old in 2025.

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

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

About 13,700 vehicles per day (2020 count), of which roughly 3% are trucks.

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

The structure is 94 ft (28.6 m) long with a longest span of 31 ft (9.4 m) and a deck 60 ft wide.

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

It is owned by the City or Municipal Highway Agency.