US Bridges

TR 465A over Sixmile Creek

Poor

Pike County, Illinois · .75 MI W P. Hill · Structure no. 075319500000000

Built
1969
56 years old
Condition
Poor
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
318 ft
6 main spans
Daily traffic
200
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 465A over Sixmile Creek is a prestressed concrete box beam or girders - multiple carrying TR 465A over Sixmile Creek in Pike County, Illinois. It was built in 1969, so it is 56 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 4 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 290 by 2046. The structure is 318 ft (96.9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 465A
CrossesSixmile Creek
Location.75 MI W P. Hill
RouteCounty Highway 0
Coordinates39.4371, -90.89103
Functional classRural Minor Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating18.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans6
Design loadHS 15
Structure length318 ft (96.9 m)
Longest span53 ft (16.2 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic290 by 2046
Trucks5%
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 465A over Sixmile Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is TR 465A over Sixmile 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 April 2024.

How much traffic does TR 465A over Sixmile Creek carry?

About 200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is TR 465A over Sixmile Creek?

The structure is 318 ft (96.9 m) long with a longest span of 53 ft (16.2 m) and a deck 24 ft wide.

Who owns TR 465A over Sixmile Creek?

It is owned by the Town or Township Highway Agency.