US Bridges

FAP 325(IL 16) over Lake Pana

Good

Shelby County, Illinois · 3 MI W Tower Hill · Structure no. 087200900000000

Built
1992
33 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
4,500
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 325(IL 16) over Lake Pana is a concrete culvert carrying FAP 325(IL 16) over Lake Pana in Shelby County, Illinois. It was built in 1992, so it is 33 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,500 vehicles a day, roughly 17% of them trucks, projected to reach 4,545 by 2046. The structure is 36 ft (11 m) long and 39 ft wide. If it were closed, the detour would be 67.7 mi (109 km).

CarriesFAP 325(IL 16)
CrossesLake Pana
Location3 MI W Tower Hill
RouteState Highway 16
Coordinates39.38974, -89.02128
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length36 ft (11 m)
Longest span11 ft (3.4 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2023)
Projected traffic4,545 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed67.7 mi (109 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAP 325(IL 16) over Lake Pana built?

It was built in 1992, making it 33 years old in 2025.

What condition is FAP 325(IL 16) over Lake Pana in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2022.

How much traffic does FAP 325(IL 16) over Lake Pana carry?

About 4,500 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is FAP 325(IL 16) over Lake Pana?

The structure is 36 ft (11 m) long with a longest span of 11 ft (3.4 m) and a deck 39 ft wide.

Who owns FAP 325(IL 16) over Lake Pana?

It is owned by the State Highway Agency.