US Bridges

TR 105 Drummer over Dickerson Slough

Fair

Ford County, Illinois · 570E 200N · Structure no. 027319300000000

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
74 ft
3 main spans
Daily traffic
75
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 105 Drummer over Dickerson Slough is a concrete continuous slab carrying TR 105 Drummer over Dickerson Slough in Ford County, Illinois. It was built in 1968, so it is 57 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 75 vehicles a day, projected to reach 76 by 2046. The structure is 74 ft (22.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 105 Drummer
CrossesDickerson Slough
Location570E 200N
RouteCounty Highway 0
Coordinates40.42767, -88.35113
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length74 ft (22.6 m)
Longest span28 ft (8.5 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic76 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 105 Drummer over Dickerson Slough built?

It was built in 1968, making it 57 years old in 2025.

What condition is TR 105 Drummer over Dickerson Slough 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 May 2023.

How much traffic does TR 105 Drummer over Dickerson Slough carry?

About 75 vehicles per day (2023 count).

How long is TR 105 Drummer over Dickerson Slough?

The structure is 74 ft (22.6 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns TR 105 Drummer over Dickerson Slough?

It is owned by the Town or Township Highway Agency.