US Bridges

TR-379 over FAI-57

Fair

Jefferson County, Illinois · 4 MI S ILL-15 · Structure no. 041005800000000

Built
1965
60 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
262 ft
4 main spans
Daily traffic
125
2021 count
Owner
State
State Highway Agency

About this bridge

TR-379 over FAI-57 is a steel continuous stringer/multi-beam or girder carrying TR-379 over FAI-57 in Jefferson County, Illinois. It was built in 1965, so it is 60 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 125 vehicles a day, roughly 7% of them trucks, projected to reach 126 by 2046. The structure is 262 ft (79.9 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesTR-379
CrossesFAI-57
Location4 MI S ILL-15
RouteCounty Highway 0
CountyJefferson County
StateIllinois
Coordinates38.25834, -88.92268
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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length262 ft (79.9 m)
Longest span78 ft (23.8 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2021)
Projected traffic126 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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-379 over FAI-57 built?

It was built in 1965, making it 60 years old in 2025.

What condition is TR-379 over FAI-57 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 TR-379 over FAI-57 carry?

About 125 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is TR-379 over FAI-57?

The structure is 262 ft (79.9 m) long with a longest span of 78 ft (23.8 m) and a deck 30 ft wide.

Who owns TR-379 over FAI-57?

It is owned by the State Highway Agency.