US Bridges

FAP 733 over Ill 336

Good

Adams County, Illinois · 0.3 MI E Mendon · Structure no. 001008400000000

Built
2001
24 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
229 ft
2 main spans
Daily traffic
2,150
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 733 over Ill 336 is a steel continuous stringer/multi-beam or girder carrying FAP 733 over Ill 336 in Adams 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,150 vehicles a day, roughly 11% of them trucks, projected to reach 2,020 by 2046. The structure is 229 ft (69.7 m) long and 69 ft wide.

CarriesFAP 733
CrossesIll 336
Location0.3 MI E Mendon
RouteState Highway 61
Coordinates40.08803, -91.27106
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length229 ft (69.7 m)
Longest span92 ft (28 m)
Deck width69 ft (20.9 m)
Roadway width65 ft (19.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2023)
Projected traffic2,020 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 733 over Ill 336 built?

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

What condition is FAP 733 over Ill 336 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does FAP 733 over Ill 336 carry?

About 2,150 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is FAP 733 over Ill 336?

The structure is 229 ft (69.7 m) long with a longest span of 92 ft (28 m) and a deck 69 ft wide.

Who owns FAP 733 over Ill 336?

It is owned by the State Highway Agency.