US Bridges

TR 88 Off Ill 146 over Flat Lick Creek

Fair

Pope County, Illinois · 5.25M E of Ill 145 · Structure no. 076002200000000

Built
1962
63 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
91 ft
3 main spans
Daily traffic
10
2023 count
Owner
State
State Highway Agency

About this bridge

TR 88 Off Ill 146 over Flat Lick Creek is a concrete channel beam carrying TR 88 Off Ill 146 over Flat Lick Creek in Pope County, Illinois. It was built in 1962, so it is 63 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 10 by 2046. The structure is 91 ft (27.8 m) long and 19 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesTR 88 Off Ill 146
CrossesFlat Lick Creek
Location5.25M E of Ill 145
RouteCounty Highway 0
CountyPope County
StateIllinois
Coordinates37.3797, -88.59225
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.7 US tons
Inventory rating31.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length91 ft (27.8 m)
Longest span30 ft (9.1 m)
Deck width19 ft (5.8 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic10 by 2046
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$170,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 88 Off Ill 146 over Flat Lick Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is TR 88 Off Ill 146 over Flat Lick 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 January 2024.

How much traffic does TR 88 Off Ill 146 over Flat Lick Creek carry?

About 10 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is TR 88 Off Ill 146 over Flat Lick Creek?

The structure is 91 ft (27.8 m) long with a longest span of 30 ft (9.1 m) and a deck 19 ft wide.

Who owns TR 88 Off Ill 146 over Flat Lick Creek?

It is owned by the State Highway Agency.