US Bridges

TR 176 over Lake Fork Ck Trib

Fair

Logan County, Illinois · 1 W 1MI S Lake Fork · Structure no. 054510100000000

Built
1959
66 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
51 ft
3 main spans
Daily traffic
100
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 176 over Lake Fork Ck Trib is a concrete slab carrying TR 176 over Lake Fork Ck Trib in Logan County, Illinois. It was built in 1959, so it is 66 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 5 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 105 by 2046. The structure is 51 ft (15.5 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 176
CrossesLake Fork Ck Trib
Location1 W 1MI S Lake Fork
RouteCounty Highway 0
CountyLogan County
StateIllinois
Coordinates39.95261, -89.36227
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length51 ft (15.5 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic105 by 2046
Trucks15%
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 176 over Lake Fork Ck Trib built?

It was built in 1959, making it 66 years old in 2025.

What condition is TR 176 over Lake Fork Ck Trib 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 November 2023.

How much traffic does TR 176 over Lake Fork Ck Trib carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is TR 176 over Lake Fork Ck Trib?

The structure is 51 ft (15.5 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns TR 176 over Lake Fork Ck Trib?

It is owned by the Town or Township Highway Agency.