US Bridges

TR 198 over Flat Branch

Fair

Christian County, Illinois · 2 MI E Taylorville · Structure no. 011332700000000

Built
2001
24 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
210 ft
3 main spans
Daily traffic
225
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 198 over Flat Branch is a prestressed concrete box beam or girders - multiple carrying TR 198 over Flat Branch in Christian County, Illinois. It was built in 2001, so it is 24 years old, younger 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 5 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 225 vehicles a day, roughly 6% of them trucks, projected to reach 227 by 2046. The structure is 210 ft (63.9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 198
CrossesFlat Branch
Location2 MI E Taylorville
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.5611, -89.23283
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length210 ft (63.9 m)
Longest span75 ft (22.9 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2021)
Projected traffic227 by 2046
Trucks6%
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 198 over Flat Branch built?

It was built in 2001, making it 24 years old in 2025.

What condition is TR 198 over Flat 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 198 over Flat Branch carry?

About 225 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is TR 198 over Flat Branch?

The structure is 210 ft (63.9 m) long with a longest span of 75 ft (22.9 m) and a deck 24 ft wide.

Who owns TR 198 over Flat Branch?

It is owned by the Town or Township Highway Agency.