US Bridges

TR-178 over FAI-64

Fair

Jefferson County, Illinois · 2.5 MI E Woodlan Int · Structure no. 041007900000000

Built
1974
51 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
241 ft
2 main spans
Daily traffic
75
2021 count
Owner
State
State Highway Agency

About this bridge

TR-178 over FAI-64 is a steel continuous stringer/multi-beam or girder carrying TR-178 over FAI-64 in Jefferson County, Illinois. It was built in 1974, so it is 51 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 75 vehicles a day, roughly 11% of them trucks, projected to reach 76 by 2046. The structure is 241 ft (73.5 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesTR-178
CrossesFAI-64
Location2.5 MI E Woodlan Int
RouteCounty Highway 0
CountyJefferson County
StateIllinois
Coordinates38.35346, -88.99235
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.7 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 15
Structure length241 ft (73.5 m)
Longest span100 ft (30.5 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2021)
Projected traffic76 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
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 TR-178 over FAI-64 built?

It was built in 1974, making it 51 years old in 2025.

What condition is TR-178 over FAI-64 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 April 2024.

How much traffic does TR-178 over FAI-64 carry?

About 75 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is TR-178 over FAI-64?

The structure is 241 ft (73.5 m) long with a longest span of 100 ft (30.5 m) and a deck 30 ft wide.

Who owns TR-178 over FAI-64?

It is owned by the State Highway Agency.