US Bridges

TR-176 over Seven Mile Creek

Fair

White County, Illinois · 6 MI NW Carmi · Structure no. 097325800000000

Built
2007
18 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
121 ft
3 main spans
Daily traffic
35
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-176 over Seven Mile Creek is a prestressed concrete box beam or girders - multiple carrying TR-176 over Seven Mile Creek in White County, Illinois. It was built in 2007, so it is 18 years old, younger 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 35 vehicles a day, roughly 34% of them trucks, projected to reach 25 by 2046. The structure is 121 ft (37 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR-176
CrossesSeven Mile Creek
Location6 MI NW Carmi
RouteCounty Highway 0
Coordinates38.1447, -88.2383
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length121 ft (37 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic25 by 2046
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-176 over Seven Mile Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is TR-176 over Seven Mile Creek 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 February 2024.

How much traffic does TR-176 over Seven Mile Creek carry?

About 35 vehicles per day (2024 count), of which roughly 34% are trucks.

How long is TR-176 over Seven Mile Creek?

The structure is 121 ft (37 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns TR-176 over Seven Mile Creek?

It is owned by the Town or Township Highway Agency.