US Bridges

TR 457 over FAI 55

Fair

Macoupin County, Illinois · 2.0 MI S I-55/IL 138 · Structure no. 059004200000000

Built
1973
52 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
2 main spans
Daily traffic
450
2021 count
Owner
State
State Highway Agency

About this bridge

TR 457 over FAI 55 is a steel continuous stringer/multi-beam or girder carrying TR 457 over FAI 55 in Macoupin County, Illinois. It was built in 1973, so it is 52 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 450 vehicles a day, roughly 1% of them trucks, projected to reach 455 by 2046. The structure is 250 ft (76.1 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesTR 457
CrossesFAI 55
Location2.0 MI S I-55/IL 138
RouteCounty Highway 0
CountyMacoupin County
StateIllinois
Coordinates39.04282, -89.75599
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 15
Structure length250 ft (76.1 m)
Longest span104 ft (31.6 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2021)
Projected traffic455 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 TR 457 over FAI 55 built?

It was built in 1973, making it 52 years old in 2025.

What condition is TR 457 over FAI 55 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 August 2023.

How much traffic does TR 457 over FAI 55 carry?

About 450 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is TR 457 over FAI 55?

The structure is 250 ft (76.1 m) long with a longest span of 104 ft (31.6 m) and a deck 32 ft wide.

Who owns TR 457 over FAI 55?

It is owned by the State Highway Agency.