US Bridges

Townhouse Rd(tr 15 over FAI-57

Good

Marion County, Illinois · 4.75 MI N Salem Int · Structure no. 061004300000000

Built
1968
57 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
242 ft
4 main spans
Daily traffic
50
2022 count
Owner
State
State Highway Agency

About this bridge

Townhouse Rd(tr 15 over FAI-57 is a prestressed concrete stringer/multi-beam or girder carrying Townhouse Rd(tr 15 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 50 vehicles a day, roughly 24% of them trucks, projected to reach 51 by 2046. The structure is 242 ft (73.8 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesTownhouse Rd(tr 15
CrossesFAI-57
Location4.75 MI N Salem Int
RouteCounty Highway 0
CountyMarion County
StateIllinois
Coordinates38.69239, -88.96553
Functional classRural Local

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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length242 ft (73.8 m)
Longest span72 ft (21.9 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic51 by 2046
Trucks24%
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 Townhouse Rd(tr 15 over FAI-57 built?

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

What condition is Townhouse Rd(tr 15 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 Townhouse Rd(tr 15 over FAI-57 carry?

About 50 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is Townhouse Rd(tr 15 over FAI-57?

The structure is 242 ft (73.8 m) long with a longest span of 72 ft (21.9 m) and a deck 30 ft wide.

Who owns Townhouse Rd(tr 15 over FAI-57?

It is owned by the State Highway Agency.