US Bridges

TR-316A over Dieterich Creek

Fair

Effingham County, Illinois · 1.5 MI SW Dieterich · Structure no. 025315600000000

Built
1973
52 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
51 ft
2 main spans
Daily traffic
150
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-316A over Dieterich Creek is a concrete culvert carrying TR-316A over Dieterich Creek in Effingham 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 6 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 150 vehicles a day, roughly 4% of them trucks, projected to reach 133 by 2046. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR-316A
CrossesDieterich Creek
Location1.5 MI SW Dieterich
RouteCounty Highway 0
CountyEffingham County
StateIllinois
Coordinates39.03462, -88.39897
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic133 by 2046
Trucks4%
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-316A over Dieterich Creek built?

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

What condition is TR-316A over Dieterich 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 November 2024.

How much traffic does TR-316A over Dieterich Creek carry?

About 150 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is TR-316A over Dieterich Creek?

The structure is 51 ft (15.5 m) long with a longest span of 25 ft (7.6 m).

Who owns TR-316A over Dieterich Creek?

It is owned by the Town or Township Highway Agency.