US Bridges

TR 206 Agg Surf Ro over Sixmile Creek

Fair

Pike County, Illinois · 2 MI NW Pleasanthill · Structure no. 075321600000000

Built
1981
44 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
139 ft
3 main spans
Daily traffic
125
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 206 Agg Surf Ro over Sixmile Creek is a prestressed concrete box beam or girders - multiple carrying TR 206 Agg Surf Ro over Sixmile Creek in Pike 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 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 125 vehicles a day, roughly 2% of them trucks, projected to reach 116 by 2046. The structure is 139 ft (42.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 206 Agg Surf Ro
CrossesSixmile Creek
Location2 MI NW Pleasanthill
RouteCounty Highway 0
Coordinates39.47196, -90.89097
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 rating71.8 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length139 ft (42.4 m)
Longest span46 ft (14 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic116 by 2046
Trucks2%
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 206 Agg Surf Ro over Sixmile Creek built?

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

What condition is TR 206 Agg Surf Ro over Sixmile 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 April 2024.

How much traffic does TR 206 Agg Surf Ro over Sixmile Creek carry?

About 125 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is TR 206 Agg Surf Ro over Sixmile Creek?

The structure is 139 ft (42.4 m) long with a longest span of 46 ft (14 m) and a deck 27 ft wide.

Who owns TR 206 Agg Surf Ro over Sixmile Creek?

It is owned by the Town or Township Highway Agency.