US Bridges

TR 117 C over Drainage Ditch

Fair

Edgar County, Illinois · 0.5 MI W of Brocton · Structure no. 023441100000000

Built
1970
55 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
200
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 117 C over Drainage Ditch is a concrete slab carrying TR 117 C over Drainage Ditch in Edgar County, Illinois. It was built in 1970, so it is 55 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 202 by 2046. The structure is 35 ft (10.6 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTR 117 C
CrossesDrainage Ditch
Location0.5 MI W of Brocton
RouteCounty Highway 0
Coordinates39.71528, -87.947
Functional classRural Minor Collector

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 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length35 ft (10.6 m)
Longest span32 ft (9.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2019)
Projected traffic202 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 117 C over Drainage Ditch built?

It was built in 1970, making it 55 years old in 2025.

What condition is TR 117 C over Drainage Ditch 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 117 C over Drainage Ditch carry?

About 200 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is TR 117 C over Drainage Ditch?

The structure is 35 ft (10.6 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns TR 117 C over Drainage Ditch?

It is owned by the Town or Township Highway Agency.