US Bridges

TR 175A over Long Creek

Good

Macon County, Illinois · 1 MI NE Long Creek · Structure no. 058339100000000

Built
2013
12 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
375
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 175A over Long Creek is a prestressed concrete box beam or girders - multiple carrying TR 175A over Long Creek in Macon County, Illinois. It was built in 2013, so it is 12 years old, younger 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 375 vehicles a day, roughly 7% of them trucks, projected to reach 379 by 2046. The structure is 72 ft (21.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 175A
CrossesLong Creek
Location1 MI NE Long Creek
RouteCounty Highway 0
Coordinates39.82062, -88.82338
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length72 ft (21.8 m)
Longest span69 ft (20.9 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2020)
Projected traffic379 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 175A over Long Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is TR 175A over Long Creek 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 February 2023.

How much traffic does TR 175A over Long Creek carry?

About 375 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is TR 175A over Long Creek?

The structure is 72 ft (21.8 m) long with a longest span of 69 ft (20.9 m) and a deck 28 ft wide.

Who owns TR 175A over Long Creek?

It is owned by the Town or Township Highway Agency.