US Bridges

FAS 495 over I-74

Fair

Piatt County, Illinois · N of Mansfield · Structure no. 074004400000000

Built
1969
56 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
252 ft
2 main spans
Daily traffic
1,950
2024 count
Owner
State
State Highway Agency

About this bridge

FAS 495 over I-74 is a steel continuous stringer/multi-beam or girder carrying FAS 495 over I-74 in Piatt County, Illinois. It was built in 1969, so it is 56 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 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 1,950 vehicles a day, roughly 24% of them trucks, projected to reach 1,212 by 2046. The structure is 252 ft (76.7 m) long and 68 ft wide.

CarriesFAS 495
CrossesI-74
LocationN of Mansfield
RouteCounty Highway 0
Coordinates40.21916, -88.50023
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating48.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length252 ft (76.7 m)
Longest span90 ft (27.4 m)
Deck width68 ft (20.7 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,950 (2024)
Projected traffic1,212 by 2046
Trucks24%
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 FAS 495 over I-74 built?

It was built in 1969, making it 56 years old in 2025.

What condition is FAS 495 over I-74 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 December 2023.

How much traffic does FAS 495 over I-74 carry?

About 1,950 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is FAS 495 over I-74?

The structure is 252 ft (76.7 m) long with a longest span of 90 ft (27.4 m) and a deck 68 ft wide.

Who owns FAS 495 over I-74?

It is owned by the State Highway Agency.