US Bridges

Illinois 127 over Hartline Creek

FairPosted for load

Alexander County, Illinois · 2.3MI S Union Co. · Structure no. 002002700000000

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
118 ft
3 main spans
Daily traffic
675
2023 count
Owner
State
State Highway Agency

About this bridge

Illinois 127 over Hartline Creek is a concrete continuous slab carrying Illinois 127 over Hartline Creek in Alexander County, Illinois. It was built in 1973, so it is 52 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. Its operating status is: posted for load restriction.

It carries about 675 vehicles a day, roughly 9% of them trucks, projected to reach 909 by 2046. The structure is 118 ft (36.1 m) long and 33 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesIllinois 127
CrossesHartline Creek
Location2.3MI S Union Co.
RouteState Highway 127
CountyAlexander County
StateIllinois
Coordinates37.30333, -89.26253
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating38.6 US tons
Inventory rating23.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length118 ft (36.1 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic675 (2023)
Projected traffic909 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Illinois 127 over Hartline Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Illinois 127 over Hartline 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 Illinois 127 over Hartline Creek carry?

About 675 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Illinois 127 over Hartline Creek?

The structure is 118 ft (36.1 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns Illinois 127 over Hartline Creek?

It is owned by the State Highway Agency.