US Bridges

US 51-FAP 322 over Drury Cr-Cnic RR

Fair

Union County, Illinois · 2.7 MI S Jackson CO · Structure no. 091007300000000

Built
2005
20 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
312 ft
4 main spans
Daily traffic
5,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 51-FAP 322 over Drury Cr-Cnic RR is a steel continuous stringer/multi-beam or girder carrying US 51-FAP 322 over Drury Cr-Cnic RR in Union County, Illinois. It was built in 2005, so it is 20 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 5,500 vehicles a day, roughly 10% of them trucks, projected to reach 5,500 by 2046. The structure is 312 ft (95.1 m) long and 44 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesUS 51-FAP 322
CrossesDrury Cr-Cnic RR
Location2.7 MI S Jackson CO
RouteU.S. Route 51
Coordinates37.56113, -89.23039
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating68.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length312 ft (95.1 m)
Longest span80 ft (24.5 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2023)
Projected traffic5,500 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed8.7 mi (14 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 US 51-FAP 322 over Drury Cr-Cnic RR built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 51-FAP 322 over Drury Cr-Cnic RR 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 September 2024.

How much traffic does US 51-FAP 322 over Drury Cr-Cnic RR carry?

About 5,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 51-FAP 322 over Drury Cr-Cnic RR?

The structure is 312 ft (95.1 m) long with a longest span of 80 ft (24.5 m) and a deck 44 ft wide.

Who owns US 51-FAP 322 over Drury Cr-Cnic RR?

It is owned by the State Highway Agency.