US Bridges

TR 230 over Creek

Poor

Morgan County, Illinois · 1.5 MI SW Nortonvile · Structure no. 069501400000000

Built
1981
44 years old
Condition
Poor
inspected November 2023
Type
Culvert
Steel
Length
30 ft
3 main spans
Daily traffic
75
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 230 over Creek is a steel culvert carrying TR 230 over Creek in Morgan County, Illinois. It was built in 1981, so it is 44 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 75 vehicles a day, projected to reach 76 by 2046. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 230
CrossesCreek
Location1.5 MI SW Nortonvile
RouteCounty Highway 0
CountyMorgan County
StateIllinois
Coordinates39.54419, -90.16343
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3 (+2 approach)
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic76 by 2046
Trucks0%
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 230 over Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is TR 230 over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does TR 230 over Creek carry?

About 75 vehicles per day (2024 count).

How long is TR 230 over Creek?

The structure is 30 ft (9.1 m) long with a longest span of 8 ft (2.4 m).

Who owns TR 230 over Creek?

It is owned by the Town or Township Highway Agency.