US Bridges

US 36(FAP 323) over Long Creek

Fair

Macon County, Illinois · E Long Creek · Structure no. 058002200000000

Built
1928
97 years old, rebuilt 1988
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
4,450
2023 count
Owner
State
State Highway Agency

About this bridge

US 36(FAP 323) over Long Creek is a prestressed concrete box beam or girders - multiple carrying US 36(FAP 323) over Long Creek in Macon County, Illinois. It was built in 1928 and reconstructed in 1988, so it is 97 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 4,450 vehicles a day, roughly 14% of them trucks, projected to reach 4,040 by 2046. The structure is 32 ft (9.8 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS 36(FAP 323)
CrossesLong Creek
LocationE Long Creek
RouteU.S. Route 36
CountyMacon County
StateIllinois
Coordinates39.81022, -88.83325
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating44.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span31 ft (9.5 m)
Deck width38 ft (11.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,450 (2023)
Projected traffic4,040 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 36(FAP 323) over Long Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1988.

What condition is US 36(FAP 323) over Long 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 September 2024.

How much traffic does US 36(FAP 323) over Long Creek carry?

About 4,450 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 36(FAP 323) over Long Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.5 m) and a deck 38 ft wide.

Who owns US 36(FAP 323) over Long Creek?

It is owned by the State Highway Agency.