US Bridges

TR 78/SHOAL Creek over Hanover Ditch

Fair

Clinton County, Illinois · 3 MI SE Germantown · Structure no. 014304900000000

Built
1961
64 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
70 ft
3 main spans
Daily traffic
350
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 78/SHOAL Creek over Hanover Ditch is a concrete channel beam carrying TR 78/SHOAL Creek over Hanover Ditch in Clinton County, Illinois. It was built in 1961, so it is 64 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 350 vehicles a day, roughly 14% of them trucks, projected to reach 385 by 2046. The structure is 70 ft (21.3 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 78/SHOAL Creek
CrossesHanover Ditch
Location3 MI SE Germantown
RouteCounty Highway 0
CountyClinton County
StateIllinois
Coordinates38.50679, -89.52515
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating66.5 US tons
Inventory rating26.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span30 ft (9.1 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2020)
Projected traffic385 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$241,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 78/SHOAL Creek over Hanover Ditch built?

It was built in 1961, making it 64 years old in 2025.

What condition is TR 78/SHOAL Creek over Hanover 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 October 2023.

How much traffic does TR 78/SHOAL Creek over Hanover Ditch carry?

About 350 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is TR 78/SHOAL Creek over Hanover Ditch?

The structure is 70 ft (21.3 m) long with a longest span of 30 ft (9.1 m) and a deck 23 ft wide.

Who owns TR 78/SHOAL Creek over Hanover Ditch?

It is owned by the Town or Township Highway Agency.