US Bridges

TR-309 over Turkey Creek

Good

Marion County, Illinois · 1 MI NE Central City · Structure no. 061322200000000

Built
1984
41 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
120 ft
3 main spans
Daily traffic
425
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-309 over Turkey Creek is a steel continuous stringer/multi-beam or girder carrying TR-309 over Turkey Creek in Marion County, Illinois. It was built in 1984, so it is 41 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 425 vehicles a day, roughly 11% of them trucks, projected to reach 455 by 2046. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR-309
CrossesTurkey Creek
Location1 MI NE Central City
RouteCounty Highway 0
CountyMarion County
StateIllinois
Coordinates38.56045, -89.12119
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating9.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span43 ft (13.1 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2022)
Projected traffic455 by 2046
Trucks11%
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-309 over Turkey Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is TR-309 over Turkey 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 2024.

How much traffic does TR-309 over Turkey Creek carry?

About 425 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is TR-309 over Turkey Creek?

The structure is 120 ft (36.6 m) long with a longest span of 43 ft (13.1 m) and a deck 31 ft wide.

Who owns TR-309 over Turkey Creek?

It is owned by the Town or Township Highway Agency.