US Bridges

TR 179 over Pankey Creek

Fair

Saline County, Illinois · 1.5 M NE Harrisburg · Structure no. 083313700000000

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
78 ft
2 main spans
Daily traffic
100
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 179 over Pankey Creek is a concrete channel beam carrying TR 179 over Pankey Creek in Saline County, Illinois. It was built in 1977, so it is 48 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 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 100 vehicles a day, roughly 12% of them trucks, projected to reach 101 by 2046. The structure is 78 ft (23.7 m) long and 26 ft wide.

Location

Open in Google Maps
CarriesTR 179
CrossesPankey Creek
Location1.5 M NE Harrisburg
RouteCounty Highway 0
CountySaline County
StateIllinois
Coordinates37.75687, -88.50063
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 alignment7: Better than present minimum criteria
Operating rating52.9 US tons
Inventory rating31.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length78 ft (23.7 m)
Longest span37 ft (11.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic101 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 179 over Pankey Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is TR 179 over Pankey 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 October 2023.

How much traffic does TR 179 over Pankey Creek carry?

About 100 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is TR 179 over Pankey Creek?

The structure is 78 ft (23.7 m) long with a longest span of 37 ft (11.3 m) and a deck 26 ft wide.

Who owns TR 179 over Pankey Creek?

It is owned by the Town or Township Highway Agency.