US Bridges

TR 46 over Lake Pana

Fair

Christian County, Illinois · 2 MI E of Pana · Structure no. 087306800000000

Built
1964
61 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
350
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

TR 46 over Lake Pana is a steel stringer/multi-beam or girder carrying TR 46 over Lake Pana in Christian County, Illinois. It was built in 1964, so it is 61 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 350 vehicles a day, roughly 3% of them trucks, projected to reach 303 by 2046. The structure is 41 ft (12.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 46
CrossesLake Pana
Location2 MI E of Pana
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.38674, -89.02556
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span37 ft (11.3 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2024)
Projected traffic303 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 46 over Lake Pana built?

It was built in 1964, making it 61 years old in 2025.

What condition is TR 46 over Lake Pana 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 December 2024.

How much traffic does TR 46 over Lake Pana carry?

About 350 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is TR 46 over Lake Pana?

The structure is 41 ft (12.5 m) long with a longest span of 37 ft (11.3 m) and a deck 28 ft wide.

Who owns TR 46 over Lake Pana?

It is owned by the City or Municipal Highway Agency.