US Bridges

TR-107 over Big Creek

FairPosted for load

Hamilton County, Illinois · 6.8 MI S Wayne CO LN · Structure no. 033003100000000

Built
1941
84 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
47 ft
2 main spans
Daily traffic
10
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-107 over Big Creek is a concrete continuous slab carrying TR-107 over Big Creek in Hamilton County, Illinois. It was built in 1941, so it is 84 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 10 by 2046. The structure is 47 ft (14.3 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR-107
CrossesBig Creek
Location6.8 MI S Wayne CO LN
RouteCounty Highway 0
CountyHamilton County
StateIllinois
Coordinates38.15799, -88.53838
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length47 ft (14.3 m)
Longest span22 ft (6.7 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 by 2046
Trucks0%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR-107 over Big Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is TR-107 over Big 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 February 2024.

How much traffic does TR-107 over Big Creek carry?

About 10 vehicles per day (2022 count).

How long is TR-107 over Big Creek?

The structure is 47 ft (14.3 m) long with a longest span of 22 ft (6.7 m) and a deck 27 ft wide.

Who owns TR-107 over Big Creek?

It is owned by the Town or Township Highway Agency.