US Bridges

TR 36 a over Clear Creek

Poor

Christian County, Illinois · 3.5 MI NW Palmer · Structure no. 011500400000000

Built
1900
125 years old
Condition
Poor
inspected November 2024
Type
Culvert
Steel
Length
25 ft
4 main spans
Daily traffic
20
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 36 a over Clear Creek is a steel culvert carrying TR 36 a over Clear Creek in Christian County, Illinois. It was built in 1900, so it is 125 years old, older 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 3 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 20 vehicles a day, roughly 30% of them trucks, projected to reach 20 by 2046. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 36 a
CrossesClear Creek
Location3.5 MI NW Palmer
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.51481, -89.45535
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionNovember 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
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating38.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2021)
Projected traffic20 by 2046
Trucks30%
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 36 a over Clear Creek built?

It was built in 1900, making it 125 years old in 2025.

What condition is TR 36 a over Clear 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 2024.

How much traffic does TR 36 a over Clear Creek carry?

About 20 vehicles per day (2021 count), of which roughly 30% are trucks.

How long is TR 36 a over Clear Creek?

The structure is 25 ft (7.6 m) long with a longest span of 6 ft (1.8 m).

Who owns TR 36 a over Clear Creek?

It is owned by the Town or Township Highway Agency.