US Bridges

FAP 322 (us 51) over Dry Creek

Fair

Macon County, Illinois · .6 MI S of Macon · Structure no. 058200800000000

Built
2001
24 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
5,700
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 322 (us 51) over Dry Creek is a concrete culvert carrying FAP 322 (us 51) over Dry Creek in Macon County, Illinois. It was built in 2001, so it is 24 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 5,700 vehicles a day, roughly 13% of them trucks, projected to reach 6,717 by 2046. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesFAP 322 (us 51)
CrossesDry Creek
Location.6 MI S of Macon
RouteU.S. Route 51
CountyMacon County
StateIllinois
Coordinates39.69394, -89.00249
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length27 ft (8.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2023)
Projected traffic6,717 by 2046
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 FAP 322 (us 51) over Dry Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is FAP 322 (us 51) over Dry 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 October 2024.

How much traffic does FAP 322 (us 51) over Dry Creek carry?

About 5,700 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is FAP 322 (us 51) over Dry Creek?

The structure is 27 ft (8.3 m) long with a longest span of 12 ft (3.7 m).

Who owns FAP 322 (us 51) over Dry Creek?

It is owned by the State Highway Agency.