US Bridges

TR 74 over Buckhart Creek

Fair

Christian County, Illinois · 1MI W Roby · Structure no. 011334600000000

Built
1987
38 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
112 ft
3 main spans
Daily traffic
200
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 74 over Buckhart Creek is a prestressed concrete box beam or girders - multiple carrying TR 74 over Buckhart Creek in Christian County, Illinois. It was built in 1987, so it is 38 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 202 by 2046. The structure is 112 ft (34.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 74
CrossesBuckhart Creek
Location1MI W Roby
RouteCounty Highway 0
Coordinates39.73806, -89.42055
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
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 alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span50 ft (15.2 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic202 by 2046
Trucks10%
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 74 over Buckhart Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is TR 74 over Buckhart 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 74 over Buckhart Creek carry?

About 200 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is TR 74 over Buckhart Creek?

The structure is 112 ft (34.1 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.

Who owns TR 74 over Buckhart Creek?

It is owned by the Town or Township Highway Agency.