US Bridges

Baltimore FAU7449 over Big Creek

Fair

Macon County, Illinois · 1 MI N Mt Zion · Structure no. 058602400000000

Built
2012
13 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
151 ft
1 main span
Daily traffic
6,750
2023 count
Owner
County
County Highway Agency

About this bridge

Baltimore FAU7449 over Big Creek is a prestressed concrete box beam or girders - multiple carrying Baltimore FAU7449 over Big Creek in Macon County, Illinois. It was built in 2012, so it is 13 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 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 6,750 vehicles a day, roughly 5% of them trucks, projected to reach 6,212 by 2046. The structure is 151 ft (46 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesBaltimore FAU7449
CrossesBig Creek
Location1 MI N Mt Zion
CountyMacon County
StateIllinois
Coordinates39.8036, -88.89199
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length151 ft (46 m)
Longest span50 ft (15.1 m)
Deck width48 ft (14.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,750 (2023)
Projected traffic6,212 by 2046
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Baltimore FAU7449 over Big Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Baltimore FAU7449 over Big 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 February 2023.

How much traffic does Baltimore FAU7449 over Big Creek carry?

About 6,750 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Baltimore FAU7449 over Big Creek?

The structure is 151 ft (46 m) long with a longest span of 50 ft (15.1 m) and a deck 48 ft wide.

Who owns Baltimore FAU7449 over Big Creek?

It is owned by the County Highway Agency.