US Bridges

TR 230 over Lin Branch

Fair

Christian County, Illinois · 3.5 MI S Stonington · Structure no. 011502100000000

Built
1951
74 years old
Condition
Fair
inspected November 2024
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
35
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 230 over Lin Branch is a steel culvert carrying TR 230 over Lin Branch in Christian County, Illinois. It was built in 1951, so it is 74 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 35 vehicles a day, roughly 3% of them trucks, projected to reach 35 by 2046. The structure is 21 ft (6.4 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 230
CrossesLin Branch
Location3.5 MI S Stonington
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.57725, -89.18087
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 evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 15
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2021)
Projected traffic35 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Lin Branch built?

It was built in 1951, making it 74 years old in 2025.

What condition is TR 230 over Lin Branch 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 230 over Lin Branch carry?

About 35 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is TR 230 over Lin Branch?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 21 ft wide.

Who owns TR 230 over Lin Branch?

It is owned by the Town or Township Highway Agency.