US Bridges

Boone ST RD (tr 19 over FAI-57

Good

Marion County, Illinois · 1 MI N Salem Int · Structure no. 061002600000000

Built
1968
57 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
249 ft
4 main spans
Daily traffic
1,700
2022 count
Owner
State
State Highway Agency

About this bridge

Boone ST RD (tr 19 over FAI-57 is a steel continuous stringer/multi-beam or girder carrying Boone ST RD (tr 19 over FAI-57 in Marion County, Illinois. It was built in 1968, so it is 57 years old, older 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 1,700 vehicles a day, roughly 2% of them trucks, projected to reach 1,717 by 2046. The structure is 249 ft (75.9 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesBoone ST RD (tr 19
CrossesFAI-57
Location1 MI N Salem Int
RouteCounty Highway 0
CountyMarion County
StateIllinois
Coordinates38.63681, -88.97307
Functional classUrban Collector

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 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 rating47.8 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length249 ft (75.9 m)
Longest span76 ft (23.2 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2022)
Projected traffic1,717 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Boone ST RD (tr 19 over FAI-57 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Boone ST RD (tr 19 over FAI-57 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 August 2023.

How much traffic does Boone ST RD (tr 19 over FAI-57 carry?

About 1,700 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Boone ST RD (tr 19 over FAI-57?

The structure is 249 ft (75.9 m) long with a longest span of 76 ft (23.2 m) and a deck 32 ft wide.

Who owns Boone ST RD (tr 19 over FAI-57?

It is owned by the State Highway Agency.