US Bridges

FAP 710(NB Bs Rt 5 over FAP 322(US 51)

Fair

Macon County, Illinois · 2 MI S of Elwin · Structure no. 058012200000000

Built
1994
31 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
300 ft
2 main spans
Daily traffic
5,300
2020 count
Owner
State
State Highway Agency

About this bridge

FAP 710(NB Bs Rt 5 over FAP 322(US 51) is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 710(NB Bs Rt 5 over FAP 322(US 51) in Macon County, Illinois. It was built in 1994, so it is 31 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 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 5,300 vehicles a day, roughly 10% of them trucks, projected to reach 5,353 by 2046. The structure is 300 ft (91.4 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAP 710(NB Bs Rt 5
CrossesFAP 322(US 51)
Location2 MI S of Elwin
Coordinates39.76757, -88.9814
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length300 ft (91.4 m)
Longest span105 ft (32 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,300 (2020)
Projected traffic5,353 by 2046
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 710(NB Bs Rt 5 over FAP 322(US 51) built?

It was built in 1994, making it 31 years old in 2025.

What condition is FAP 710(NB Bs Rt 5 over FAP 322(US 51) 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 May 2024.

How much traffic does FAP 710(NB Bs Rt 5 over FAP 322(US 51) carry?

About 5,300 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is FAP 710(NB Bs Rt 5 over FAP 322(US 51)?

The structure is 300 ft (91.4 m) long with a longest span of 105 ft (32 m) and a deck 43 ft wide.

Who owns FAP 710(NB Bs Rt 5 over FAP 322(US 51)?

It is owned by the State Highway Agency.